The effectiveness of treating respiratory infections with

Assignment Help Basic Statistics

Reference no: EM13633733

The effectiveness of treating respiratory infections with herbal remedies was studied. "Days of fever" was used to measure effects. Among 413 children treated with herbal remedies, the mean number of days with fever was 0.56, with a standard deviation of 1.48. Among 453 children given placebo, the mean was 0.68, with a standard deviation of 1.37 days. Use a 0.01 significance level to test the claim that herbal remedies affect the number of days with fever. Do not assume the population standard deviations are equal. Based on these results, do herbal remedies appear to be effective?

A. No, null hypothesis is not rejected

B. No, null hypothesis is rejected

C. Yes, Null hypothesis is not rejected.

D. Yes, Null Hypothesis is rejected

Reference no: EM13633733

Questions Cloud

A national manufacturer of unattached garages discovered : a national manufacturer of unattached garages discovered that the distribution of the lengths of time it takes two

What is the percentage of the total area under the normal : 1. the mean of a normal distribution is 408 pounds. the standard deviation is 13 pounds. what is the area between 424

If the population mean speed on this stretch of the highway : it has been shown that people drive 5 - 10mph faster than the posted speed limit on a highway. it has been thought that

Assume you plan to construct a 95 confidence interval the : assume you plan to construct a 95 confidence interval. the numbers of online applications from simple random samples of

The effectiveness of treating respiratory infections with : the effectiveness of treating respiratory infections with herbal remedies was studied. days of fever was used to

Ue a significance level of 001 to test the claim that p1 : use a significance level of 0.01 to test the claim that p1 p2. use the given sample sizes and numbers of success to

In estimating the mean monthly fuel expenditure miu per : in estimating the mean monthly fuel expenditure miu per household vehicle the u.s. energy information administration

Define population 1 as dallas and population 2 as houston : discover card would like to test the hypothesis that the average credit score for an adult in dallas is different from

A class survey in a large class for first-year college : a class survey in a large class for first-year college students asked about how many minutes do you study on a typical

User Account

All Pages