bouvier co. is a canadian company that sells forestry products to several Pacific rim customers. bouvier’s sales are very sensitive to exchange rates. The following table shows recent annual sales (in millions of canadian dollars) and the average exchange rate for the year (expressed as the units of foreign currency needed to buy one canadian dollar).year i1 2 3 4 5 6exchange rate XiSales Yi0.40 20 0.36 25 0.42 16 0.31 30 0.33 35 0.34 30Calculate the sample mean and standard deviation for X (the exchange rate) and Y (sales).Calculate the sample covariance between the exchange rate and sales.Calculate the sample correlation between the exchange rate and sales.Calculate the intercept and coefficient for an estimated linear regression with theexchange rate as the independent variable and sales as the dependent variable.

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Calculate the sample mean and standard deviation for X (the exchange rate) and Y (sales). Calculate the sample covariance between the exchange rate and sales. Calculate the sample correlation between the exchange rate and sales. Calculate the intercept and coefficient for an estimated linear regression with the

Calculate the sample mean and standard deviation for X (the exchange rate) and Y (sales). Calculate the sample covariance between the exchange rate and sales. Calculate the sample correlation between the exchange rate and sales. Calculate the intercept and coefficient for an estimated linear regression with the

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

bouvier co. is a canadian company that sells forestry products to several Pacific rim customers. bouvier’s sales are very sensitive to exchange rates. The following table shows recent annual sales (in millions of canadian dollars) and the average exchange rate for the year (expressed as the units of foreign currency needed to buy one canadian dollar).

year i

1 2 3 4 5 6

exchange rate Xi

Sales Yi

0.40 20 0.36 25 0.42 16 0.31 30 0.33 35 0.34 30

Calculate the sample mean and standard deviation for X (the exchange rate) and Y (sales).
Calculate the sample covariance between the exchange rate and sales.
Calculate the sample correlation between the exchange rate and sales.
Calculate the intercept and coefficient for an estimated linear regression with the

exchange rate as the independent variable and sales as the dependent variable.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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