Question

Finance course grade information regarding male and female students of a large university is shown belo

w

(

Q1

and

Q2

unknown

) and

assumed unequal

). Sample size (female-24, male-28) Sample mean grade (female-29.8, male-27.3) Sample variance ( female-6,554, male-3,276)

a)

Test whether or not the average grade of females is significantly greater than that of males at

⍺

=0,05 %

significance level?

b)

Develop 90 % confidence interval estimate of the difference between grade

of the female and male

students.

Not: You have to draw the table to see which area that you have to calculate

Answer 1

Solution:

a)

----------------------------------

b)