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bank conducts a survey in which it randomly samples 400 of it customers. The survey asks the customers which way they use the bank the most, (1) interacting with teller, (2)atm use, (3) internet bank service. It was also asked their level of satifaction on the service they mostly used. (on a scale from 0 to 10, 0 being poor and 10 being excellent) does this mean satifaction differ according to how they most use the bank?
A) Identifing notation, state the null and alternitive hypotheses for conducting an ANOVA with data from the survey?B) Report the df values for this ANOVA, about what range of f test statistic values give the p values below 0.05?C) For the data, F=0.046 and P=0.63, what can you conclude?D) What were the assumptions on which the ANOVA was based, which assumptions is most important?
The national average SAT score (for Verbal and Math) is 1028. Suppose that nothing is known about the shape of the distribution and that the standard deviation is 100. If a random sample of 200 scores were selected and the sample mean were calcula..
For many years, TV executives used the guideline that 30 percent of the audiences were watching each of the prime-time networks and the 10 percent were watching cable stations on a weekday night. A random sample of 500 viewers in the Tampa - St.
Determine the mean, median, and mode for data set: 12.75, 18.32, 19.41, 12.75, 18.30, 19.45, 19.33
Create Frequency Distribution of Sample Mean. Compute and Identifies Sampling Distribution of Sample Mean.
Agricultural researchers are studying three different ways of planting peanuts to determine whether significantly different levels of production yield will result.
Derive the formula for the expected value Y, derive the formula for the moment generating function of Y
If there is relationship between parental income and SAT score, why can't we bring to a close that differences in score are caused by differences in parental income.
A professor wants to determine if his class' anxiety decreases over the course of the semester. He uses a test to measure a random sample of all students enrolled at midterm and again at the end of the course.
A car rental company has determined that the probability a car will need service work in any given month is 0.2. The company has 900 cars.
The researcher in exercise decides to conduct the same study using a within - participates design to control for differences in cognitive ability.
Show all the steps of your hypothesis test including a) the claim being tested , b) the null and alternative hypothesis, c) the test statistic, d) the p value, e) initial conclusion, and f) a final conclusion about the original claim.
Linda would like to maintain a 90% service level. what safety stock level do you recommend for BX-5?
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