(Answered) Question average total daily sales at a small food store

Statistics

Question: Average total daily sales at a small food store are known to be $452.80. The store's management recently implemented some changes in displays of goods, order within aisles, and other changes, and it now wants to know whether average sales volume has changed. A random sample of 12 days shows x¯ = $501.90 and s = $65.00. Using α = 0.05, is the sampling result significant? Explain.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92503127
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A clinical psychologist is the primary therapist for 18

A clinical psychologist is the primary therapist for 18 patients. She randomly selects a sample of 3 patients to be in her study. How many different samples of this size can be selected from this population of 18 patient ...

What are financial ratios commonly used in quantitative

What are financial ratios commonly used in quantitative models of debt ratings? List THREE financial ratios that represent three different factors and explain why these ratios can capture the company's ability to meet it ...

For each scenario below what is the appropriate statistical

For each scenario below, what is the appropriate statistical analysis to use? (t-test for two independent samples, t-test for dependent samples, ANOVA, or chi-square test of independence) and why? (a) A study was conduct ...

Suppose a sampling space has things a b and c twice draw

Suppose a sampling space has things a, b, and c. Twice draw from the sample space and replace. The possible sequence formed are {aa,ab,ac,ba,bb,bc,cacb,cc}. Now suppose there are Y different things. There are Y ways the ...

Translate the statement into a confidence interval for p

Translate the statement into a confidence interval for p. Approximate the level of confidence. In a survey of 1000 U.S. adults, 19% are concerned that their taxes will be audited by the Internal Revenue Service. The surv ...

A set of score has a mean of mu 63 and a standard

A set of score has a mean of μ = 63 and a standard deviation of σ = 8. If these scores are standardized so that the new distribution has μ = 50 and σ = 10, what new value would be obtained for a score of X = 59 from the ...

What is the 99 confidence interval for a sample of 52 seat

What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?

You paid cash for 1300 worth of stock a year ago today the

You paid cash for $1,300 worth of stock a year ago. Today the portfolio is worth $1,888. a. What rate of return did you earn on the investment? b. Now suppose that you bought the same stock but bought it on margin. The ...

Letnbspxbar6nbspdenote the sample mean of a

Let X(bar) 6 denote the sample mean of a sample X 1 , X 2 , ..., X 6 from Unif (-1, 3). (a) What is the expected value of X(bar) 6 ? (b) What is the variance of X(bar) 6 ?

Five houses in a row are each to be painted with one of the

Five houses in a row are each to be painted with one of the colors? red, blue,? green, and yellow. In how many different ways can the houses be painted so that no two adjacent houses are of the same? color? Answer is 324 ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert