Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, answer the questions that follow to determine whether the average spending in the northern region is significantly less than the average spending in the southern region at the 1 percent level. statistic Northern Region Southern Region sample mean 4,327 6,865 sample standard deviation 1,476 3,602 sample size 11 15 1. Specify the decision rule 2. Find the test statistic (t calc) assuming unequal variances
Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, answer the questions that follow to determine whether the average spending in the northern region is significantly less than the average spending in the southern region at the 1 percent level. statistic Northern Region Southern Region sample mean 4,327 6,865 sample standard deviation 1,476 3,602 sample size 11 15 1. Specify the decision rule 2. Find the test statistic (t calc) assuming unequal variances
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, answer the questions that follow to determine whether the average spending in the northern region is significantly less than the average spending in the southern region at the 1 percent level.
statistic | Northern Region | Southern Region |
sample mean | 4,327 | 6,865 |
sample standard deviation | 1,476 | 3,602 |
sample size | 11 |
15 |
1. Specify the decision rule
2. Find the test statistic (t calc) assuming unequal variances
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