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Consider the following sample data with mean and standard deviation of 177 and 7.3, respectively. (You may find it useful to

b-2. Find the p-value. p-value O.01 p-value 20.10 0.05 s p-value < 0.10 O.025 s p-value < 0.05 O.01 p-value < 0.025 c. At the

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Answer #1

Ho: The data are normally distributed with a mean of 17.7 and a standard deviation of 7.3.; Ha: The data are not normally dis

a Frequency(O) P(x<a) P(interval) Exp frequency(E) (O-E)^2/E
NORM.DIST(a,17.7,7.3,TRUE) P(a)-P(a1) P(interval)*203
10 25 0.1457597 0.14576 29.58921 0.711775
20 86 0.6236452 0.477886 97.01076 1.249726
30 72 0.9539991 0.330354 67.06185 0.363625
>30 20 1 0.046001 9.338181 12.17307
203 1 203 14.4982
df 3 (4-1)

chi-square test statistic = 14.50

p value<0.01, two-tailed P value equals 0.0023

Reject Ho: there is enough evidence....

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