Question

The following data represents a random sample of birth weignts (in kgs) of male babies born to mothers on a special vitamin supplement.

3.73
3.02
4.37
4.09
3.73
2.47
4.33
4.13
3.39
4.47
3.68
3.22
4.68
3.43

(a) Do the data follow a normal distribution?  ? Yes No
Report the P-value of the normality test:

(b) Do the data support the claim that the mean birth weight of male babies that have been subjected to the vitamin supplement is at least 3.39 kgs? Use the p-value approach, and regulate the probability of committing Type I error to 5%5% (α=0.05α=0.05).

The p-value is:

Use three decimals.
Does this support the claim  ? Yes No

Answer 1

Answer: