Complete the hypothesis test with alternative hypothesis ƒÊd �‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality.

Oldest 174 173 169 180 51
Youngest 168 169 175 187 53

(a) Find t. (Give your answer correct to two decimal places.)


(ii) Find the p-value. (Give your answer correct to four decimal places.)

3 answers

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What does mean?

ƒÊd �‚ 0
Oldest Youngest Difference
174 168 6
173 169 4
169 175 -6
180 187 -7
51 53 -2

Sum of d = -5

d bar = -5/5 = -1

S = 5.83
n = 5

t = -1/[ (5.83/sqrt((5))]
t = -.38

P-value = 0.7209