Gen Combo Ll Statistical Techniques In Business And Economics; Connect Ac
Gen Combo Ll Statistical Techniques In Business And Economics; Connect Ac
17th Edition
ISBN: 9781260149623
Author: Lind
Publisher: MCG
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Chapter 9, Problem 1SR

a.

To determine

Find the population mean of daily sales for Bun-and-Run franchise.

a.

Expert Solution
Check Mark

Explanation of Solution

Here, the sample mean is provided and there is no information about the population mean of daily sales for Bun-and-Run franchise.

b.

To determine

Find the best estimate of the population mean.

b.

Expert Solution
Check Mark

Answer to Problem 1SR

The best estimate of the population mean is $20,000.

Explanation of Solution

Calculation:

The sample mean is the point estimate of the population mean. Moreover, the sample statistic gives the best estimate for the population parameter.

Here, the sample mean is $20,000. Hence, the point estimate of the population mean is $20,000. That is, the best estimate for the population mean is the sample mean, which is denoted as x¯=$20,000_.

c.

To determine

Find the 95% confidence interval for the population mean of daily sales.

c.

Expert Solution
Check Mark

Answer to Problem 1SR

The 95% confidence interval for the population mean of daily sales is ($19,070,$20,930)_.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the confidence interval using MINITAB software is given below:

  • Choose Stat > Basic Statistics > 1-Sample Z.
  • In Summarized data, enter the sample size as 40 and mean as 20,000.
  • In Standard deviation, enter 3,000.
  • Check Options, enter Confidence level as 95.
  • Choose Mean ≠ Hypothesized mean in alternative.
  • Click OK in all dialogue boxes.

Output using MINITAB software is given below:

Gen Combo Ll Statistical Techniques In Business And Economics; Connect Ac, Chapter 9, Problem 1SR

From the MINITAB output, the 95% confidence interval for the population mean of daily sales is ($19,070,$20,930)_.

d.

To determine

Interpret the confidence interval in Part (c).

d.

Expert Solution
Check Mark

Explanation of Solution

Interpretation:

There is 95% confidence that the population mean of daily sales lies between $19,070 and $20,930.

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Chapter 9 Solutions

Gen Combo Ll Statistical Techniques In Business And Economics; Connect Ac

Ch. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - Prob. 3SRCh. 9 - Prob. 15ECh. 9 - Ms. Maria Wilson is considering running for mayor...Ch. 9 - Prob. 17ECh. 9 - Prob. 18ECh. 9 - Prob. 4SRCh. 9 - Prob. 19ECh. 9 - Prob. 20ECh. 9 - Prob. 21ECh. 9 - Prob. 22ECh. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Prob. 25ECh. 9 - Prob. 26ECh. 9 - The same study of church contributions in Scandia...Ch. 9 - Thirty-six items are randomly selected from a...Ch. 9 - Forty-nine items are randomly selected from a...Ch. 9 - The attendance at the Savannah Colts minor league...Ch. 9 - There are 300 welders employed at Maine Shipyards...Ch. 9 - Prob. 31CECh. 9 - Prob. 32CECh. 9 - Prob. 33CECh. 9 - Prob. 34CECh. 9 - Prob. 35CECh. 9 - Prob. 36CECh. 9 - Prob. 37CECh. 9 - Prob. 38CECh. 9 - Prob. 39CECh. 9 - Prob. 40CECh. 9 - Prob. 41CECh. 9 - Prob. 42CECh. 9 - Prob. 43CECh. 9 - Prob. 44CECh. 9 - Prob. 45CECh. 9 - Prob. 46CECh. 9 - Prob. 47CECh. 9 - Prob. 48CECh. 9 - Prob. 49CECh. 9 - Prob. 50CECh. 9 - Prob. 51CECh. 9 - Prob. 52CECh. 9 - Prob. 53CECh. 9 - Prob. 54CECh. 9 - Prob. 55CECh. 9 - Prob. 56CECh. 9 - Prob. 57CECh. 9 - Prob. 58CECh. 9 - Prob. 59CECh. 9 - Prob. 60CECh. 9 - Prob. 61CECh. 9 - Prob. 62CECh. 9 - Prob. 63CECh. 9 - Prob. 64CECh. 9 - Prob. 65CECh. 9 - Prob. 66CECh. 9 - A sample of 352 subscribers to Wired magazine...Ch. 9 - Prob. 68CECh. 9 - Prob. 70DACh. 9 - Prob. 1PCh. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Prob. 4PCh. 9 - Prob. 5PCh. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prob. 8PCh. 9 - Prob. 9PCh. 9 - Prob. 10PCh. 9 - Prob. 11PCh. 9 - Prob. 12PCh. 9 - Prob. 13PCh. 9 - Prob. 1CCh. 9 - Prob. 1.1PTCh. 9 - Prob. 1.2PTCh. 9 - Prob. 1.3PTCh. 9 - Prob. 1.4PTCh. 9 - Prob. 1.5PTCh. 9 - Prob. 1.6PTCh. 9 - Prob. 1.7PTCh. 9 - Prob. 1.8PTCh. 9 - Prob. 1.9PTCh. 9 - Prob. 1.10PTCh. 9 - Prob. 2.1PTCh. 9 - Prob. 2.2PTCh. 9 - Prob. 2.3PTCh. 9 - Prob. 2.4PT
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