A Recent Study of 15 Shoppers Showed That the Correlation

Multiple Choice

A recent study of 15 shoppers showed that the correlation between the time spent in the store and the dollars spent was 0.235.Using a significance level equal to 0.05,which of the following is the appropriate null hypothesis to test whether the population correlation is zero?

A) H_o : r = 0.0
B) H_o : ρ = 0.0
C) H_o : μ = 0.0
D) H_o : ρ ≠ 0