Question

6. Find the standard deviation for the given sample data. Round your answer to one or more decimal place than is present in the original data.

7. Formulate the indicated hupotheses and conclusion. Be sure to address original claim.

8. Construct the dotplot for thr given data.

in the original data. and the standard deviation for the given sample data. Round your answer to one more decimal place than is present Points: 5 6) Listed below are the amounts of time (in months) that the employees of a restaurant have been working at the restaurant 2 3 5 18 26 39 69 87 101 116 A) 42.1 months B) 45.6 months C) 43 2 months D) 44 3 months Explain how you found the standard deviation. Formulate the indicated hypotheses and conclusion. Be sure to address the original claim. Extra work does not need to be shown for this question. Points: 5 7) A researcher claims that 62% of voters favor gun control. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the null hypothesis, alternate hypothesis, and conclusion regarding the claim. Ho (1 point) H1 (1 point) Final Conclusion regarding the claim. (3 points) Construct the dotplot for the given data. Points: 5 8) The following data represent the number of cars passing through a toll booth during a certain time period over a number of days. 18 19 17 17 24 18 21 18 19 15 22 19 23 17 21 3

Answer 1

- Auswer) sample size (n) 210 Meann) a 2+ 3+5+ 18+ 26+39+G9+87+101 +116 2 46.6 sample.standard deviation (s) - (217-22) n-1 S 2 {12-46-6)4+ (3-46.6) + (6-46.6)2 + (18-466)4 (26-46.6)? +(39-46.6)2+(69-46-6)2 + (87-46:6)² + (101-46.6) (116-46-6)²} 10-1 {1989. 16+ 1900.96 + 1730.56 +817.96 + 424.36+57-76 +501.76 + 1632-16 +2959-36 +4816.36} 9 1 6830.4 9 / 1870.0444 243.2

Hence, option c is correct.

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