Shack Homebuilders Limited is evaluating a new promotional campaign that could increase home sales. Possible outcomes andprobabilities of the outcomes are shown next.Possible OutcomesIneffective campaignNormal responseExtremely effectiveAdditional Sales inUnits6080160Coefficient of variation iProbabilities0.300.500.20Compute the coefficient of variation.Note: Do not round Intermediate calculations. Round your answer to 3 decimal places.

According to the given information in this questionWe need to find the value of coefficient of…

Answered: k Homebuilders Limited is evaluating a…

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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The boxplot below shows salaries for Actuaries and CPAS. СРА Actuary + 30 35 40 45 50 55 60 65 70 75 80 Salary (thousands of $) Tiffany makes the median salary for an Actuary. Mariah makes the first quartile salary for a CPA. Who makes more money? Tiffany O Mariah
A recent study evaluated how addicted teenagers become to nicotine once they start smoking. The response variable was the number of yes answers on a questionnaire called the Hooked on Nicotine Checklist (HONC). Of teenagers who had tried tobacco, the mean HONC score was 4.2 (s = 5.4) for the 149 females and 2.8 (s=4.2) for the 190 males. Complete parts a through c below. 000 DOD F4 What does the standard error indicate? A. The standard error describes the spread of the sampling distribution of x₁ - x₂. B. The standard error is the standard deviation of the difference between x₁ - x₂. OC. The standard error is the standard deviation of the sample for this study. OD. The standard error is the difference in standard deviations for the two populations. ... b. Find the test statistic and P-value for Ho: H₁ H₂ and Ha: H₁ H₂. Interpret, and explain what (if any) effect gender has on the mean HONC score. Use the significance level 0.05. The test statistic is (Round to two decimal places as…
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p value only
R1
Refer to diagram and apply to multiple choice.
When filling up his car. Nathan noticed that a litre of gasoline currently costs $1.25. However, this time last year, he remembers that it cost only $0.95. Which of the following strategies would be the most effective for measuring the change in the price of gas over the last year? O The Maximin Strategy O Create a Stem and Leaf Plot O Conduct a Hypothesis Test KID Calculate a Simple Index For some questions, you'll need the z-score and t-value tables, so l've linked them here:
Home Prices A real estate agent compares the selling prices of homes in two municipalities in a certain location to see if there is a difference. The results of the study are shown. Is there enough evidence to reject the claim that the average cost of a home in both locations is the same? Use a = 0.10. City A City B X = $96,950 X,= $98,600 o, = $5602 0, = $4731 n, = 36 n2= 37 Part 1 of 5 motheses and identify the claim. separate them with (s):-1.65, 1.65 Part: 2 / 5 Part 3 of 5 (c) Compute the test value. Always round z score values to at least two decimal places.
What is the coefficient of the dummy variable? What is the meaning of the coefficient of the dummy variable?
2 part question done in Excel. 1. Data are collected in a clinical trial evaluating a new compound designed to improve wound healing in trauma patients. The new compound is compared against a placebo. After treatment for 5 days with the new compound or placebo, the extent of the wound healing is measured and the date are show in the table below. Is there a difference in the extent of wound healing by treatment (Hint: Are treatment and the percent wound healing independent?) Run the appropriate tes at a 5% level of significance. 2. Use the data in Problem 1 and pool the data across the treatments into one sample of size n=250. Use the pooled data to test whether the distribution of the percent wound healing is approximately normal. Specifically, use the following distributions: 30%, 40%, 20%, and 10%. Run the appropriate test at a = 0.05.
z stat please

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