Question

Determine if average prices for female shoes is less than average prices for male shoes. Compare the result with below. Does the result confirm your previous findings? (Follow the hypothesis testing steps, 0.05 level of significance, assuming “equal variances” of populations).

x̅₁ =281.54                  N₁ = 54                        S²₁ = 5977.50
x̅₂ =289.16                  N₂ = 45                        S²₂ = 4551.77

Answer 1

#The R-code for critical value is

round(qt(0.05,97),3)

[1] -1.661