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A random sample of the commissions earned by local Tupperware dealers last month is given below.
$4377.47 $3183.76 $1970.16 $2270.88 $3860.06$2508.55 $1569.64 $4205.30 $1663.68 $3960.71
a. Find x-bar and s for this data set. (5 points)
b. Construct a 99 percent confidence interval for the mean commission earned by local Tupperware dealers. You may assume the commissions are normally distributed.
If we select a crew member at random, what is the probability the crew member earns:
Given that the pair of hypotheses that correspond to the claim are H0=500. Find the critical value for the hypothesis test.Assume that the level of significance is 0.02.
Differences in Descriptive and Inferential Statistics and analyze the differences between descriptive and inferential statistics.
At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that:
The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test
Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.
Determine the mean and standard deviation for number of actual voters in groups of 1002.
Bring to mind a research question that interests you, or a current event that utilizes statistics to present results, that you can use as an example for this discussion. State the research question or the current event and results.
Use a 0.01 significance level to test the claim that the selection process is biased against Americans of Mexican ancestry. Does the jury selection system appear to be fair?
Mention your decision regarding the null hypothesis. If H 0 rejected can we conclude that treatment 2 and treatment 3 differ? Use 95 percent level of confidence.
What are the main differences between descriptive and inferential statistics? Give examples of each. When would random sampling not be the best approach to sample selection? Give an example.
Using the paired t test because the samples are correlated with each other could be another avenue. This would help us find the p-value and look at the statistical significance in evaluating the quality of care or outcomes in a medical home.
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