Question

Use the data to the right on the minutes a certain actor spent shirtless in movies...

Use the data to the right on the minutes a certain actor spent shirtless in movies to complete parts​ (a) through​(c) below.

MOVIE MINUTES SHIRTLESS x OPENING WEEKEND GROSS (MILLIONS OF DOLLARS) y
A 0 6.1
B 0.6 8.1
C 1.7 16.7
D 2.1 18.4
E 13.3 21.2

a. Determine the correlation​ coefficient, rounded to two decimal​ places, between the minutes the actor appeared shirtless in a film and the​ film's opening weekend gross.

r=

​(Do not round until the final answer. Then round to two decimal places as​ needed.)

b. Find the equation of the regression line for the minutes the actor appeared shirtless in a film and the​ film's opening weekend gross.

y= x+( )

​(Round to two decimal places as​ needed.)

c. What opening weekend gross can we anticipate in a film in which this actor appears shirtless for

21 ​minutes?

The anticipated opening weekend gross will be about ​$ million dollars.

​(Round to one decimal place as​ needed.)

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

a) n= 5

b)

Here,

c) when x =21 minute then predicted y

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