5) According to a union newsletter, workers in the union have a mean salary of $1800 permonth. Assume o = $240 for this population of workers. Suppose 36 union workers arerandomly selected and X is the sample mean monthly salary. Use x= $1825 to findP(X < $1825).a. Find uzb. Find ozc. Sketch the curve and find z score corresponding to the indicated x value.d. Interpret the meaning of part (c)e. Find the indicated probability.f. State the meaning of the answer in part (e)

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Answered: 5) According to a union newsletter,…

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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10. Refer back to the histogram from question #4.(Attatched)a. Compute the mean number of shipping daysc. Write the 5-number summary for this data.d. Create box plot.
A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the following numbers of days of sick leave taken in the past year. 1 1 3 0 0 63 Use this information to answer parts a through c. a. Find and interpret the range. The range is 6 days. Choose the correct interpretation of the range below. A. The largest difference between the mean and any other value is equal to the range. B. The number of days separating the fewest and most sick days taken is equal to the range. C. The range represents the average distance of an observation from the mean. D. The range gives the most useful value for measuring the spread of the data.
This data was collected from the members of our class. I have tried to remove anything that would identify an individual. 1. What is the scale of each variable? 2. Construct a frequency table and chart showing the distribution across gender in this class. 3. Construct a cross tabulation with Gender in one direction and Height in the other direction. Group the height category into 5 groups. 4. Is there a difference in the age distribution across gender? 5. Give a summary of our class based on this data about our class. Gender Height Year Born Male 76 1994 Male 72 1983 Female 65 1997 Male 68 1966 Female 67 1997 Male 70 1996 Male 71 1996 Male 73 1996 Male 72 1995 Male 71 1998 Male 73 1993 Female 66 1980 Female 62 1998 Male 76 1984 Female 70 1985 Female 62 1992 Female 62 1992 Male 73 1996 Female 68 1987 Male 60 1971 Female 60 1971 Male 60 1971 Male 74 1970 Male 77 1998 Male 77 1998 Male 68 1990 Female 64 1996 Male 80 1997 Male…
Statistics Question
Suppose that 50 measurements were taken and the mean was calculated to be 4.55. Assume next that one of the data items was 19.4This was assumed to be an outlier as was discarded. What would be the mean of the remaining 49 numbers? I
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Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna). (Reference: Hummingbirds, K. Long, W. Alther.) Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and σ = 0.64 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is μ = 4.30 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.30 grams? Use ? = 0.10. (a) What is the level of significance? (Enter a number.) State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? H0: μ = 4.3 g; H1: μ > 4.3 g; right-tailed H0: μ < 4.3 g; H1: μ = 4.3 g; left-tailed…
Answer D for me
ne A small warehouse employs a supervisor at $1350 a week, an inventory manager at $800 a week, six stock boys at $420 a week, and four drivers at $520 a week. nts a) Find the mean and median wage. k The mean wage is $. ch The median wage is $. ntent b) How many employees earn more than the mean wage? an c) Which measure of center best describes a typical wage at this company, the mean or the median? Resou se O A. The median best describes the typical wage. The mean is not a good measure of center because it is affected by the two higher salaries. O B. The median best describes the typical wage. The mean is not a good measure of center because it is affected by the multitude of duplicate salaries. ible Res O C. The mean best describes the typical wage. The median is not a good measure of center because it is affected by the multitude of duplicate salaries, se ase Opti OD. The mean best describes the typical wage. The median is not a good measure of center because it is affected by the…
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