Small Sample Mean Problem. A study was done to determine the effect of vitamin supplements for the mother on the birth weight of babies. The sample size was 17. All the women in the study regularly visited a doctor during their pregnancy. The data below show the summary statistics and a stem and leaf plot of the birth weight of the 17 babies. Weight is in kilograms (kg). STEM LEAF 2147 2154 3 02 22 39 43 3 52 68 73 73 41 09 13 33 37 41 47 68 514 Count 1 1 4 4 4 2 1 Mean Median Variance Std Dev CV Count 3.761 3.730 0.531 0.729 19.380 17 in kg, stem is whole number 2147 is 2.47 The average weight of all babies from women receiving regular care during pregnancy in the region of the study was 3.38 kg. (treat this as the Null value). You are asked to conduct a test to see if the sample mean from the mothers given vitamin supplements is greater than the regional average of 3.38. Use alpha = .05.
Small Sample Mean Problem. A study was done to determine the effect of vitamin supplements for the mother on the birth weight of babies. The sample size was 17. All the women in the study regularly visited a doctor during their pregnancy. The data below show the summary statistics and a stem and leaf plot of the birth weight of the 17 babies. Weight is in kilograms (kg). STEM LEAF 2147 2154 3 02 22 39 43 3 52 68 73 73 41 09 13 33 37 41 47 68 514 Count 1 1 4 4 4 2 1 Mean Median Variance Std Dev CV Count 3.761 3.730 0.531 0.729 19.380 17 in kg, stem is whole number 2147 is 2.47 The average weight of all babies from women receiving regular care during pregnancy in the region of the study was 3.38 kg. (treat this as the Null value). You are asked to conduct a test to see if the sample mean from the mothers given vitamin supplements is greater than the regional average of 3.38. Use alpha = .05.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1) Give the p-value of the Hypothesis Test
2) Give the critical value of t for this test
3) Give the Upper Bound of the 95 Confidence Interval
4) Give the test statistic (t*) for this test
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