"Is this also arithmetic?" Feijian, the beautiful master really understood and understood it, but she didn't expect that the things in daily practice could be related to arithmetic.
"It can't be calculated." Shen Fengshu shook his head directly: "Arithmetic is just a tool, it is used to assist other subjects, such as it can be used in practice and in daily life."
"But this is too unbelievable." The beautiful master frowned and said, "It's completely different from what we think every day!"
"It shows that some of our daily perceptions are actually wrong." Shen Fengshu shrugged and explained with a smile.
"If you give another example where arithmetic goes against daily life, I will recognize your arithmetic." The beautiful master made a request without hesitation.
"Okay!" Shen Fengshu agreed, and then looked at Fairy Hao Miao.
"Me too!" Fairy Haomiao did not confront the beautiful master on this matter. She had practiced formations and understood how powerful and terrifying Shen Fengshu's move was. Shen Fengshu waved his hand, The scene in front of me turned into a classroom with bright and clean windows, and the success paper turned into a huge blackboard. However, the four people opposite were not sitting at the desks, but each had a huge jade desk.
The fragrant tea and wine have been poured above. "The junior professors and sisters once joked about it when they were just learning arithmetic." Shen Fengshu, dressed in a scholar's robe with fluttering white clothes, stood in front of the blackboard and began to lecture: "Your eyes can deceive. You, your ears will deceive you, your perception
It will deceive you, your experience will deceive you, your imagination will also deceive you, but you can’t learn.”
The eyes can deceive you. The beautiful master immediately thought of the phantom of the mirage.
Your ears can deceive you. Fairy Hao Miao immediately thought of the sound of temptation and the sound of killing.
Perception can deceive you. The beautiful master immediately thought of a dream.
Imagination can deceive you. Fairy Hao Miao immediately thought of the monk who was bewitched by the charming witch.
Experience will deceive you. Both of them thought of the fastest curve they had just seen.
This arithmetic is very interesting!
Looking at the four people who behaved like primary school students, Shen Fengshu suddenly smiled and said: "Actually, I lied, and arithmetic will also deceive you."
The two elders were relatively calm, but the Ice Fairy and Snow Witch all had their eyes widened. Can mathematics be deceiving?
"In arithmetic, there is a branch called statistics." Shen Fengshu began to talk with a smile and briefly explained some statistics.
"The simplest way to use it is to calculate the prices of houses in Haotianmen." Shen Fengshu casually gave an example.
"Houses in Haotianmen are free of charge." Fairy Hao Miao said directly.
Huh? Before Shen Fengshu had time to speak, the beautiful master next to him had already added: "Tianxuan Sect doesn't want money either."
"Okay!" Shen Fengshu was speechless: "Xianling Cave, the price of the cave! The closer to the high-end cave with the richer spiritual energy, the higher the price, and the lower-level cave far away from the spiritual vein, the lower the price."
Now they both understood and nodded. This is common sense. A good cave has a high price, and a bad cave has a low price. Can the math be reversed? "A set of spiritual stones of one thousand kilograms for a high-level cave, and one hundred kilograms for a low-level cave." One set of stones, assuming that Haotianmen sold five sets of high-level caves and five sets of low-level caves last year." Shen Fengshu reported a number casually: "So, the average number of Haotianmen caves
The average price is 5,500 kilograms of spiritual stones divided by ten sets, resulting in a set of 550 kilograms of spiritual stones, right?"
Everyone still understood the concept of average, and everyone nodded, and there seemed to be no problem here. "The price of the cave has changed this year." Shen Fengshu continued: "The high-end cave has become a set of 1,100 kilograms. A set of low-level caves is sold for 110 kilograms. A total of one set of high-level caves and nine sets of low-level caves are sold. So, today
What is the average price of caves in Haotianmen?"
"There are a total of two thousand and ninety kilograms of spiritual stones, and the average price is a set of two hundred and ninety kilograms of spiritual stones." Fairy Hao Miao did a quick mental calculation and came up with the answer immediately.
The beautiful master didn't even calculate it, as long as Fairy Hao Miao could calculate it.
"Then here's the question." Shen Fengshu asked with a smile: "Obviously the high-end caves have gone up, and the low-end caves have also gone up, but why has the average price dropped?" When a certain real estate market on earth was overheating, the country asked all places to control housing prices. At some point in the year, the average price of real estate in almost all cities dropped, but home buyers felt exactly the opposite. Small tricks like statistical traps are really
It was too much fun.
Shen Fengshu just took a random example and stunned two peerless masters.
That’s right! It’s obvious that the prices of high-end caves and low-end caves have increased, so why has the average price dropped?
Fairy Haomiao was shocked and hurriedly recalculated, even calculating Shen Fengshu's previous price, but the result was exactly the same as the first calculation. Is this wrong? Is there a mistake in any step? Quickly check in your mind I checked it over and found that there was nothing wrong with it, but I was worried, so I took out my pen and paper and calculated it step by step, but still no error was found.
He looked up at Shen Fengshu in confusion.
Shen Fengshu showed a harmless smile, but said nothing.
Fairy Hao Miao lowered her head again, and after careful study, she discovered that this year, nine sets of low-level caves were sold, and only one set of high-level caves were sold. This was how the low price brought down the average price. That's it!
It’s just a simple average, but it can play so many tricks. This is a bit interesting in mathematics!
The beautiful master did not study that deeply. Now that Hao Miao understands it, it means that this little guy still has some skills, but she will not admit it just now. Maybe she will have to test it again.
"Give me an example that has nothing to do with arithmetic but goes against common sense." The beautiful master said quickly: "You said that you want to give guidance to our two leaders of the sect to do things. You can't just point out the abacus, right?"
Although he described arithmetic as something to set the abacus, the meaning revealed in his tone was that he had recognized arithmetic, but arithmetic alone was not enough.
Shen Fengshu never thought of repaying this favor with just simple elementary mathematics. Since the beautiful master had a destiny, Shen Fengshu was of course willing to accompany her.
"Master, let's have some tea." Shen Fengshu smiled and invited the beautiful master to drink tea, and then thought: "Yes!" "Suppose that Tianxuan Sect wants to make a batch of armor, but doesn't know the effect, so let him A bunch of people wearing armor went out to fight the enemy." In this case, Shen Fengshu opened his mouth and said: "When these people come back, the sect will investigate
Look at the scars on the armor of these people. Which part has more scars, indicating that this part is easy to be attacked, so focus on strengthening the armor of that part. Is this idea a problem?"
"Yes!" The beautiful master thought about it, yes!
Where there are more scars, it means that the area is vulnerable to attack. Strengthening the armor of that part can more effectively improve the protective ability of the armor. There is nothing wrong with that.
Then, the beautiful master saw Shen Fengshu look at him with a caring look like a fool, and then immediately returned to his original state. If the beautiful master hadn't been at a high level, the change in Shen Fengshu's eyes would not have been noticed at all.
What do you mean? Isn’t it right?
"It's a big problem!" Shen Fengshu smiled bitterly. Isn't this still a problem?
Fairy Haomiao had been listening just now. At first, she thought this little guy was really interesting. She first used Haotian Sect as an example, and then used Tianxuan Sect as an example. She was not at all different from the two leading sects of Dao Sect and Shen Sect!
However, I just heard it all along, and this idea of repairing the armor is fine! Shouldn't it be to strengthen repairs in areas that are attacked more?
"Shouldn't the ones that should be strengthened the most be those positions that are rarely or even not attacked in the statistics?" Before Fairy Haomiao could react, Shen Fengshu had already given the answer.
"Why is this?" Sister Ru Bing asked quickly. Although she was carrying the identity of Sister Ruxue at this time, it was obviously more appropriate for her to ask than the two elders.
"Because most people who were attacked in these parts did not come back alive." Shen Fengshu easily revealed the answer to the mystery.
This is a typical example of survivor bias, except that Shen Fengshu replaced the fighter jets on Earth with battle armor. The principle is the same.
With just one sentence of explanation, the two elders and two sisters suddenly understood.
Those that can be counted come back alive. No matter how many times you are attacked, it proves that the parts that were attacked are not fatal. The parts that have not come back and are counted are the ones that are really fatal and need to be strengthened.
Common sense is correct, but dead people cannot speak and cannot participate in statistics, which will have fatal consequences.
Seeing that everyone already understood what he meant, Shen Fengshu said: "This, I have a name for it, it's survivor bias."
"Survivor bias?" The beautiful master nodded: "Very appropriate!"
There are many such examples. Shen Fengshu remembers a reporter interviewing passengers in a high-speed rail carriage. Have you bought a ticket? The result of this investigation is a very speechless survivor bias.
For Shen Fengshu, he knew too much about this kind of thing, but for the four people in front of him, it was no less than a drastic change in cognition.
It turns out that what everyone should take for granted is sometimes wrong?
There are so many monks in the world, but no one has ever thought about such a simple thing. On the contrary, it was a young man who people couldn't help but despise when he talked about it, who taught them a solid lesson.
Right in front of Shen Fengshu, the consciousness of the beautiful master and Fairy Haomiao collided countless times and exchanged many words. In just a moment, the two came to the conclusion of their discussion. "We want your knowledge. ." The beautiful master didn't have so many polite words. Anyway, Shen Fengshu came up with it himself and said straight to the point: "However, it's not enough. You said something suitable for the leader's sect,
Let's talk about it and listen to it. If you say it's good, then it's equal."
Fairy Haomiao next to her also nodded along with the beautiful master's words.
Shen Fengshu was secretly happy for a moment. He finally stopped being deceived and continued to deceive. "Junior has always had a question." Shen Fengshu immediately asked a question: "In the minds of the two elders, what kind of sect can be qualified?" Call it a leader sect?”