Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to comparethe daily travel expenses for the sales staff and the audit staff. She collected thefollowing sample information.Sales($)Audit($)131 135130 102 129 143146165 136 142149 120 139At the 0.1 significance level, can she conclude that the mean daily expenses are greaterfor the sales staff than the audit staff?picture Click here for the Excel Data File1. State the decision rule. (Round your answer to 3 decimal places.)Reject Ho if t>2. Compute the pooled estimate of the population variance. (Round your answer to 2decimal places.)Pooled variance3. Compute the test statistic. (Round your answer to 3 decimal places.)Value of the test statistic4. State your decision about the null hypothesis.(Click to select) Ho: Hss Ha5. Estimate the p-value. (Round your answers to 3 decimal places.)< Prev4 of 7Next >

SalesAudit131130135102146129165143136149142120139Significance level The objective is to test whether…

Answered: Ms. Lisa Monnin is the budget director…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Please answers questions a through d. Thank you!
Judging by the shape of the histogram, would it be appropriate to use the mean as the measure of the center or would it be best to use the median?
Describe the approximate shape of the histogram on NCAA coach pay. Then state whether the mean or median is higher. Give an approximation for both. Do you suspect any outliers?PART 3:
The following refer to the following data set: 24 35 98 30 91 40 93 40 57 39 What is the mean () of this data set? mean = (Please show your answer to one decimal place.) What is the median of this data set? median = What is the mode of this data set? mode =
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ASK YOUR TEACHER The superintendent of a school district wants to determine if there is a statistically significant correlation between expenditures and test scores. She finds the top 10 Sonoma County school districts, ranked by spending, and the test scores shown in the table. Top 10 Sonoma County School Districts by Spending f dollars District Expenditure Test Score (API) Horicon $20,136 676 Fort Ross 17,123 767 Montgomery 16,539 844 Monte Fio 14,280 872 Kenwood 13,248 871 Geyserville 12,499 776 Alexander Valley 11,640 894 Harmony 11,353 863 Two Rock 10,406 866 Roseland 10,059 779 What is the correlation between the expenditure (x) and the test score (y)? (Round your answer to four decimal places.) r = Is this correlation significant at either the 5% or the 1% significance level? Yes, there is a correlation. It is significant at the 1% level. Yes, there is a correlation. It is significant at the 5% level. O No, there is no significant correlation. Need Help? Reid it Additional…
What is the median of the data set? 15.2,15.2, 14.3,14.3, 14.9,14.9, 14.3,14.3, 14.0,14.0, 13.9,13.9, 13.8,13.8, 13.5,13.5, 13.8,13.8, 14.1,14.1, 13.313.3
The chart below represents the number of inches of snow for a seven-day period. Sunday Monday Tuesday Wednesday Thursday Friday Saturday 2 5 3 10 0 4 2 Find the mean, median, and mode. Which is the best measure of central tendency? Remove Wednesday from the calculations. How does that impact the three measures of central tendency? Describe the effect outliers have on the measures of central tendency.
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44 35 40 44 44 39 40 47 45 45 44 44 46 Find the mean cost. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mean cost is (Round to one decimal place as needed.) B. There is no mean cost. Does the mean represent the center of the data? A. The mean represents the center. B. The mean does not represent the center because it is the largest data value. C. The mean does not represent the center because it is not a data value. D. The mean does not represent the center because it is the smallest data value. OE. There is no mean cost. Find the median cost. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The median cost is (Round to one decimal place as needed.) OB. There is no median cost. 40 0 0 0 O

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