Posted by **Mikos** on Monday, November 18, 2013 at 11:25pm.

2. Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average 3-year-old child is 37 in. tall. Betty works with 3-year-olds at Shining Sun, so later that week, she measured the height of each child who had just turned or was about to turn 3 years old. Here are their heights in inches: 41, 40, 36, 42, 39, 38, 33, 44, 39, 41.

a. State the nondirectional hypothesis.

b. Determine the critical t for α = .05.

c. Calculate t. Show your calculations.

d. Is the height of 3-year-olds in Shining Sun Daycare Center significantly different from the height given in the magazine?

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