ns 1: V₁ FL h Th Answer all questions on Questions 1-2 Derivatives in Proble 6) How many of the 43 million turkeys weigh more than 23 pounds? Based on data from a random selection of 400 turkeys, the association between a turkey's weight and price appears y^= $1.85 +1.29x to be linear and follows the model: (y represents price in dollars and x represents weight in pounds) 7) Interpret the slope of the least squares regression line in context. 8) Interpret the y-intercept of the least squares regression line in context. Does this number have any real world significance? Why or why not? 9) The data has an r-value of .83. Explain what that means. 10) Calculate and interpret r-squared and give its meaning in context. (hint: there was a statement we had to memorize)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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ns
V₁
i
か
Th
Answer all questions on -
Questions 1-2
Derivatives in
Proble
6) How many of the 43 million turkeys weigh more than 23 pounds?
Based on data from a random selection of 400 turkeys, the association between a turkey's weight and price appears
y^= $1.85 +1.29x
to be linear and follows the model:
(y represents price in dollars and x represents weight in pounds)
7) Interpret the slope of the least squares regression line in context.
8) Interpret the y-intercept of the least squares regression line in context. Does this number have any real world
significance? Why or why not?
9) The data has an r-value of .83. Explain what that means.
10) Calculate and interpret r-squared and give its meaning in context. (hint: there was a statement we had to memorize)
11) A turkey you bought weighs 17 pounds and cost $23. Find the residual and interpret its meaning in context.
M
+1
C
Transcribed Image Text:ns V₁ i か Th Answer all questions on - Questions 1-2 Derivatives in Proble 6) How many of the 43 million turkeys weigh more than 23 pounds? Based on data from a random selection of 400 turkeys, the association between a turkey's weight and price appears y^= $1.85 +1.29x to be linear and follows the model: (y represents price in dollars and x represents weight in pounds) 7) Interpret the slope of the least squares regression line in context. 8) Interpret the y-intercept of the least squares regression line in context. Does this number have any real world significance? Why or why not? 9) The data has an r-value of .83. Explain what that means. 10) Calculate and interpret r-squared and give its meaning in context. (hint: there was a statement we had to memorize) 11) A turkey you bought weighs 17 pounds and cost $23. Find the residual and interpret its meaning in context. M +1 C
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Name
Thanksgiving Statistics
Date
Remember, as you celebrate this Thanksgiving and crank out some fun TDay problems, draw pics, label, show formulas and use correct symbols!
The distribution of the amount of turkey individual Americans eat in a year is approximately normal
with an average of 16.7 pounds and a standard deviation of 3.8 pounds.
1) You ate 11.5 pounds of turkey last year. What percentile does that put you in?
2) Your friend claims to be in the 75th percentile when it comes to pound of turkey eaten. How many pounds of
turkey must he have eaten in order for this to be true?
In US, 43 million turkeys are eaten each year on Thanksgiving with the following stats: The mean weight
of turkeys is 21.6 pounds with a st dev of 3.7 pounds. Weights are approximately normally distributed.
3) Your turkey weighs 16.5 pounds. What percent of the turkeys weigh less than yours?
4) How many of the 43 million turkeys being eaten on Thanksgiving will weigh less than yours?
955
y
P
5) Your friend claims that his turkey is so big that it is in the top 5% of all turkeys being eaten on TDay. How
many pounds must his turkey weigh in order for him to be telling the truth?
mies
L
1
Transcribed Image Text:a cl il st wa onal exed del Q nque hestr - By the e pop a, Eu as roy. next hi te in 1 cial pr ned m lands a of inhe Netherl. the go incial g ever, the dle clas: truggled illed wo France in e comn ters and is abou any goo unpow stroy no ed abs - Frede nt of th Europe Name Thanksgiving Statistics Date Remember, as you celebrate this Thanksgiving and crank out some fun TDay problems, draw pics, label, show formulas and use correct symbols! The distribution of the amount of turkey individual Americans eat in a year is approximately normal with an average of 16.7 pounds and a standard deviation of 3.8 pounds. 1) You ate 11.5 pounds of turkey last year. What percentile does that put you in? 2) Your friend claims to be in the 75th percentile when it comes to pound of turkey eaten. How many pounds of turkey must he have eaten in order for this to be true? In US, 43 million turkeys are eaten each year on Thanksgiving with the following stats: The mean weight of turkeys is 21.6 pounds with a st dev of 3.7 pounds. Weights are approximately normally distributed. 3) Your turkey weighs 16.5 pounds. What percent of the turkeys weigh less than yours? 4) How many of the 43 million turkeys being eaten on Thanksgiving will weigh less than yours? 955 y P 5) Your friend claims that his turkey is so big that it is in the top 5% of all turkeys being eaten on TDay. How many pounds must his turkey weigh in order for him to be telling the truth? mies L 1
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