Please help me with this question. Self reported and measured female heights

as part of the National Health and Nutrition Examination Survey, the Department of Health and Human Services obtained self-reported heights and measured heights for females aged 12-16. All measurement are in inches. Listed below are sample results.

a. Is there sufficient evidence to support the claim that there is a difference between self-reported heights and measured heights of females aged 12-16? use a 0.05 significance level.

b. Construct a 95% confidence interval estimate of the mean difference between reported heights and measured heights. Interpret the resulting confidence interval and comment on the implications of weather the confidence interval limits contain 0.

reported height 53 64 61 66 64 65 68 63 64 64 64 67

measured height 58.1 62.7 61.1 64.8 63.2 66.4 67.6 63.5 66.8 63.9 62.1 68.5