Question

A researcher randomly selects 6 fathers who have adult sons and records the​ fathers' and​ sons'...

A researcher randomly selects 6 fathers who have adult sons and records the​ fathers' and​ sons' heights to obtain the data shown in the table below. Test the claim that sons are taller than their fathers at the a= 0.10 level of significance. The normal probability plot and boxplot indicate that the differences are approximately normally distributed with no outliers so the use of a paired​ t-test is reasonable.

Observation

1

2

3

4

5

6

Height of father​ (in inches)

72.272.2

68.368.3

67.467.4

68.468.4

66.466.4

73.973.9

Height of son​ (in inches)

76.076.0

71.971.9

71.771.7

70.870.8

67.167.1

77.1

what is the test statistic?

t=?

what are the critical values?

0 0
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