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Data will need to be collected from individuals
1. Describe 5 data collection techniques in your own words.
2. Explain why the four demographic questions you included in your survey are important and or are of interest to the study.Here is the survey:
For each statement below, please indicate your level of agreement
Strongly agree agree neutral disagree satisfied
I am satisfied with my current job 5 4 3 2 1
I am satisfied with my pay 5 4 3 2 1
Gender male female
Please think of several additional demographic questions that you could ask in the survey and specify below.
The monthly income of residents of Dayton is normally distributed with a mean of $3000 and a standard deviation of $500.
A manufacturer of billiard balls is testing three additives to the basic plastic. Show the partial ANOVA table
Can we conclude there is a difference in mean number of surgeries performed by hospital or by day of week?
Categorize as simple, random, sample, stratified/systematic sample, cluster/convenience sample. List discharged hotel customers, divide them day their length of stay, and draw simple random samples from each group.
Determine the probability that mean annual snowfall during 40 randomly picked years will exceed 111.8 inches?
The mean of a standard normal probability distribution.
At least half the patients are under 15 years old? First, describe how this can be modelled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20 percent.
Sample of 36 packages reveals mean weight to be 3.01 pounds, with standard deviation of 0.03 pounds. What is the estimated population mean?
Use alpha level. 05 to compute and interpret Pearson's r and to test whether it is important (using all your steps for hypothesis test).
If np ≥ 5 and nq ≥ 5, estimate P (more than 5) with n=14 and p=0.3 by using the normal distribution as an approximation to the binomial distribution; if np
Determine the probability that each of the 30 students will get computer in working condition?
Using a level of significance of .05, is there evidence that the dual degree students are receiving lower grades? Explain.
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