On average is the younger sibling's IQ higher than the older sibling's IQ? Ten sibling pairs were given IQ tests. The data are given below.

IQ Scores

Younger Sibling Older Sibling

99 109

94 91

89 89

110 115

111 101

99 97

104 102

92 87

110 104

98 102

Assume both populations are normally distributed.What can be concluded at the= 0.05 level of significance? (Let d = (Younger) - (Older).)

For this study, what sampling distribution should be used?(Select an answer)

-Student t distribution

-Chi-Square distribution

-uniform distribution

-binomial distribution

-standard normal distribution

a. The null and alternative hypotheses would be:

H0:(Select an answer) 1-2,p1-p2,d,,p / (Select an answer) ,<,>,= / (please enter a decimal)

H1:(Select an answer) d,p,p1-p2,,1-2 / (Select an answer) ,>,=,< / (Please enter a decimal)

b. The test statistic? z or t=(please show your answer to 3 decimal places.)

c. The p-value =(Please show your answer to 4 decimal places.)

d. The p-value is? or >

e. Based on this, we should(Select an answer)

-fail to reject

-reject

-accept

-the null hypothesis.