Boys 111 107 100 The data to the left are IQ test scores for 47 seventh...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

Using Excel , The following is the results obtained

Ho: u1 - u2 = 0

Ha: u1 - u2 not = 0

a)

	Boys	Girls
Mean	110.9574468	105.8387097

b)

t Stat	1.643877384
P(T<=t) two-tail	0.105706687

c) As p-value is less than 0.05 so we fail to reject the null hypothesis at 5% level of significance.

which denote that the mean IQ for both the boys and girls in 7th grade is equal

Answer 2

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