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1. When variables are used as the basis for a contingency table, what scale of measurement must they represent?
2. Differentiate between simple tabulation and crosstabulation, and give a real or hypothetical example of each.
a fair coin is tossed 25 times. calculate the chance of getting 17 heads and 8 tails.a. first use the normal
In each hospital, fifteen patients were treated, each having one of three types of cancer (i.e., there were five patients with each type of cancer). The health of each patient was rated on a ten-point scale after one week, two weeks, and three wee..
1. Suppose Subway has carried out the study, using the sample size determined in that exer- cise, and 27.5% of the franchisees say they are pleased with their relationship with Subway. Construct and interpret the 95% confidence interval for the po..
The sample produced a mean of 535 mL with a standard deviation of 0.47 mL. Assume that the distribution of the amount of lotion is approximately normal.
the financial department at a large hospital would like to estimate the average outstanding balance owed by patients
Let the ordered sample observations be denoted by being the smallest and yn the largest). Our suggested check for normality is to plot the pairs.
Survey on marital status to determine whether the data is qualitative or quantitative
the average tenure of technicians at abc company is 10 years with a standard deviation of 5 years. calculate the
If the actual proportion in the entire warehouse is 0.35, what is the probability that the sample proportion will deviate from the population proportion by more than 0.05?
dentists use of anesthetics. a study published in current allergy amp clinical immunology mar. 2004 investigated
If a random sample of 250 divorcing couples reveals that 53 of them have great difficulties in splitting their family assets, construct a 90% confidence interval for the proportion of all couples getting divorced who encounter such problems.
Find the apsidal distances in the resulting orbit. Given that the orbit is an ellipse with O at a focus, find the semi-major and semi-minor axes of this ellipse.
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