4. In order to estimate the difference between the average yearly salaries of top managers in private andgovernmental organizations, the following information was gathered.PrivateGovernmentalSample Size5060Sample Mean (in $1000s)9080Sample Standard Deviation (in S1000s)Develop an interval estimate for the difference between the average yearly salaries of top managers ofthe two sectors. Use 95% confidence and give your answers in dollars.6.

The z value for a 95% confidence interval is 1.96. The sample information follows: Private…

Answered: 4. In order to estimate the difference…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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For the following sample data, answer the following:Remember you can copy and "paste special" the table into the Excel sheet. 100 57 58 94 65 32 42 19 87 70 16 56 14 What is ¯xx¯ ? What is the median? What is the standard deviation? What is the Q1? What is the range?
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You may need to use the appropriate appendix table or technology to answer this question. In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered. Sample Size Sample Mean (in $1,000s) Sample Standard Deviation (in $1,000s) ** Note $ Private 45 92 8 Governmental 53 82 9 Develop an interval estimate for the difference between the average yearly salaries of top managers of the two sectors. Use 95% confidence and give your answers in dollars. Use technology to find the critical value when df = 95. (Use Private Governmental. Round your answers to the nearest whole dollar.) the data table represents 1000's so be sure to answer the question in 1000's. Example: If the low bound is 7.365, the actual amount in thousands is 7365. to $
The 2018 General Social Survey contains information on the number of 1F poor mental health days adults in the US had in the last month. The data arę below. Calculate the standard error of the mean number of poor health days for females. Table 1. Mean number of poor mental health days in the last 30 days by sex Male Female Total Mean S.D. 3.55 6.78 1408 3.02 4.06 6.43 7.07 678 730 Source GSS 2018 Your answer
what was the age distribution of prehistoric Native America? Extensive , anthropological studies in the southwestern United states gave the following information about a prehistoric extended family group of 82 members on what is now a native american reservation. for this community, estimate the mean age expressed in years, the sample variance, and the sample deviation. For the class 31 and over, use 35.5 as the class midpoint. 39,16, 20,7

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