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Two Sample Mean Problem. This problem focuses on a difference of means for cholesterol levels between male and female students. There are 148 females and 164 males in our sample. This example has a large sample, however if we use the Excel file we get the correct Critical t and p-values. EXCEL DESCRIPTIVE STATISTICS FOR CHOLESTEROL LEVELS OF MALES AND FEMALES Cholesterol Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level (95.0%) Females Males 200.318 196.085 0.881 0.966 201 196 194 196 10.721 12.372 114.939 153.072 -0.493 -0.109 47 176 223 29647 148 1.742 0.015 0.086 61 166 227 32158 164 1.908 Next we want to do a confidence interval for difference of the two means. The Excel file Diff Means& Prop 2020.xlsx will be helpoful. Use Females - Males so that the difference is positive. We will not assume equal variances. The Descriptive Statistics are given above. Put a 95% Confidence Interval around the difference of the female mean - male mean. We want a 95% Confidence interval for the difference of the two means. What is the BOE for this Confidence Interval? Use 3 decimal places and use the proper rules of rounding.

Two Sample Mean Problem. This problem focuses on a difference of means for cholesterol levels between male and female students. There are 148 females and 164 males in our sample. This example has a large sample, however if we use the Excel file we get the correct Critical t and p-values. EXCEL DESCRIPTIVE STATISTICS FOR CHOLESTEROL LEVELS OF MALES AND FEMALES Cholesterol Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level (95.0%) Females Males 200.318 196.085 0.881 0.966 201 196 194 196 10.721 12.372 114.939 153.072 -0.493 -0.109 47 176 223 29647 148 1.742 0.015 0.086 61 166 227 32158 164 1.908 Next we want to do a confidence interval for difference of the two means. The Excel file Diff Means& Prop 2020.xlsx will be helpoful. Use Females - Males so that the difference is positive. We will not assume equal variances. The Descriptive Statistics are given above. Put a 95% Confidence Interval around the difference of the female mean - male mean. We want a 95% Confidence interval for the difference of the two means. What is the BOE for this Confidence Interval? Use 3 decimal places and use the proper rules of rounding.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Two Sample Mean Problem. This problem focuses on a difference of means for cholesterol levels between male and female students. There are 148 females and 164 males in our sample. This example has a large sample, however if we use the Excel file we get the correct Critical t and p-values. EXCEL DESCRIPTIVE STATISTICS FOR CHOLESTEROL LEVELS OF MALES AND FEMALES Cholesterol Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level (95.0%) Females Males 200.318 196.085 0.881 0.966 201 196 194 196 10.721 12.372 114.939 153.072 -0.493 0.015 -0.109 0.086 47 61 176 166 223 227 29647 32158 148 164 1.742 1.908 Next we want to do a confidence interval for difference of the two means. The Excel file Diff Means& Prop 2020.xlsx will be helpoful. Use Females - Males so that the difference is positive. We will not assume equal variances. The Descriptive Statistics are given above. Put a 95% Confidence Interval around the difference of the female mean - male mean. We want a 95% Confidence interval for the difference of the two means. What is the BOE for this Confidence Interval? Use 3 decimal places and use the proper rules of rounding.
Transcribed Image Text:Two Sample Mean Problem. This problem focuses on a difference of means for cholesterol levels between male and female students. There are 148 females and 164 males in our sample. This example has a large sample, however if we use the Excel file we get the correct Critical t and p-values. EXCEL DESCRIPTIVE STATISTICS FOR CHOLESTEROL LEVELS OF MALES AND FEMALES Cholesterol Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level (95.0%) Females Males 200.318 196.085 0.881 0.966 201 196 194 196 10.721 12.372 114.939 153.072 -0.493 0.015 -0.109 0.086 47 61 176 166 223 227 29647 32158 148 164 1.742 1.908 Next we want to do a confidence interval for difference of the two means. The Excel file Diff Means& Prop 2020.xlsx will be helpoful. Use Females - Males so that the difference is positive. We will not assume equal variances. The Descriptive Statistics are given above. Put a 95% Confidence Interval around the difference of the female mean - male mean. We want a 95% Confidence interval for the difference of the two means. What is the BOE for this Confidence Interval? Use 3 decimal places and use the proper rules of rounding.
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