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Kevin Horn is the national sales manager for National Textbooks Inc. He has a sales staff of 40 who visit college professors all over the United States. Each Saturday morning he requires his sales staff to send him a report. This report includes, among other things, the number of professors visited during the previous week. Listed below, ordered from smallest to largest, are the number of visits last week.
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a. Determine the median number of calls.
b. Determine the first and third quartiles.
c. Determine the first decile and the ninth decile.
d. Determine the 33rd percentile.
The odds ratio between treatments (A, B) and outcome (death, survival) equals 2.0. What do you think about the following interpretation: "The probability of death with treatment A is twice that with treatment B". If you think, the above interpreta..
Clearly identify the independent and dependent variables you would study. Determine whether a one-tail or two-tail test is most appropriate and explain why. Generate a testable null statistical hypothesis and an alternative statistical hypothesis.
Report descriptive statistics, assumptions tests, effect sizes (partial eta) as well as tests of statistical significance.
1. automobiles arrive at the drive-thru window at the downtown fort mcmurray post office at the rate of 4 every 10
question the appliance centre sells a variety of electronic equipment and home appliances. for the last four years
a consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. the magazine takes a
for a parallel structure of identical components the system can succeed if at least one of the components succeeds.
Random sample of 100 people yielded following data on number of tissues utilized in a cold: x-bar = 38, s = 20. By using sample information provided, compute the value of test statistic for the relevant hypothesis test.
Find a 95% confidence interval for the mean price of all summer sleeping bags.
what is the p-value for a two-tailed t-test with t1.71 based on a single sample of size
to determine the median life span of certain species of animal is greater than 7 years a random sample of 22
in the standard normal distribution what is the probability that a value is greater than
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