Q7.A company studied the relationship between advertising expenditure (X) and sales revenue (Y) across 12 months. Summary statistics are given.
Also, the sum of product of deviations of X and Y from their respective means is 160. Compute the correlation coefficient between advertising expenditure and sales revenue. Enter the answer correct to one decimal place.
Save
Check
Details
Q7
26 Oct 2025
Q7.A company studied the relationship between advertising expenditure (X) and sales revenue (Y) across 12 months. Summary statistics are given.
Also, the sum of product of deviations of X and Y from their respective means is 160. Compute the correlation coefficient between advertising expenditure and sales revenue. Enter the answer correct to one decimal place.
