A major retail store has studied customer behavior and found that the distribution of time customers spend in a store per visit is symmetric with a mean equal to 17.3 minutes. Based on this information, which of the following is true?
A) The distribution is right-skewed.
B) The median is to the right of the mean.
C) The median is approximately 17.3 minutes.
D) The median is to the left of the mean.
Q. 2In conducting a personal interview, what problem can result if the interviewer is allowed to arbitrarily decide who should be interviewed?
A) Nonresponses
B) Missing data
C) Bias
D) Poor response rate
Q. 3Test the null hypothesis of equality of population mean ratings for the three examination types. Use = 0.05.
What will be an ideal response?
Q. 4Using Solver, determine the number of hours used in the quality check department.
A) 175.076 hours
B) 302.294 hours
C) 225.000 hours
D) 320.000 hours
Q. 5If the time it takes for a customer to be served at a fast-food chain business is thought to be uniformly distributed between 3 and 8 minutes, then the probability that the time it takes for a randomly selected customer to be served will be less than
5 minutes is 0.40. Indicate whether the statement is true or false
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