Gas prices at 30 randomly selected locations in the US are given below. 3.88 3.85 3.94 3.90 3.78 3.90 3.73 3.64 4.10 3.89 4.22 3.62 3.80 3.85 3.88 4.16 3.90 3.76 3.98 3.85 4.25 3.90 3.59 3.77 4.25 3.91 3.94 4.25 3.96 3.65 а. Draw a stem and leaf plot. Indicate the leaf unit.

Gas prices at 30 randomly selected locations in the US are given below. 3.88 3.85 3.94 3.90 3.78 3.90 3.73 3.64 4.10 3.89 4.22 3.62 3.80 3.85 3.88 4.16 3.90 3.76 3.98 3.85 4.25 3.90 3.59 3.77 4.25 3.91 3.94 4.25 3.96 3.65 а. Draw a stem and leaf plot. Indicate the leaf unit.

Name: Gas prices at 30 randomly selected locations in the US are given belo
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Description: Gas prices at 30 randomly selected locations in the US are given below.3.883.853.943.903.783.903.733.644.103.894.223.623.803.853.884.163.903.763.983.854.253.903.593.774.253.913.944.253.963.65а.Draw a stem and leaf plot. Indicate the leaf unit.

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 table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars). 4.73 1.70 28.64 6.45 14.83 6.38 3.20 3.81 193.86 16.17 22.17 8.70 10.12 18.18 1.28 6.53 69.17 18.04 25.64 7.28 8.54 4.83 2.12 6.11 23.56 15.77 19.17 5.57 7.63 4.35 0.75 3.37 30.40 12.78 21.06 7.37 8.34 4.42 1.30 2.01 Click here for the Excel Data File (a) Select the correct histogram for the above data. Histogram A Histogram B Histogram C multiple choice 1 Histogram A Histogram B Histogram C (b) Describe the shape of the histogram. multiple choice 2 The distribution is skewed to the right. The distribution is symmetric. The distribution is skewed to the left. (c) Identify any unusual values. (Round your answers to 2 decimal places.)
29.7 24.5 27.1 29.8 27.0 27.8 24.1 29.3 25.9 26.2 32.8 26.8 27.8 24.0 23.6 29.2 26.5 27.7 27.1 23.7 24.1 27.2 25.9 26.7 27.8 27.3 27.6 22.8 25.3 26.6 26.4 27.1 26.1 What is the sample mean?
63.2 36.3 26.2 53.2 65.3 32.0 65.0 66.3 68.9 35.2 25.1 32.5 54.0 42.4 77.5 123.2 66.3 92.7 56.9 77.1 27.5 69.2 73.8 71.5 58.5 67.2 78.6 33.2 74.9 45.1 132.1 104.7 63.2 59.6 75.7 39.2 69.9 84.7 24.2 87.5 56.0 154.2 85.5 77.5 37.5 41.1 A USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean x and sample standard deviation s. (Round your answers bto four decimal places.) x = 64.1000 s 27.0625 v crimes per 1000 people v crimes per 1000 people (b) Let us say the preceding data are representative of the population crime rates in Denver neighborhoods. Compute an 80% confidence interval for a, the population mean crime rate for all Denver neighborhoods. (Round your answers to one decimal place.) 58.0 x crimes per 1000 people ]x crimes per 1000 people lower limit upper limit 60.4
Wage EDUC EXPER AGE Male 37.47 11 2 40 1 21.57 4 1 39 0 14.06 4 2 38 0 24.08 5 9 53 1 27.26 6 15 59 1 26.47 6 12 36 1 14.63 9 5 45 0 21.2 4 12 37 0 28.14 5 14 37 1 28.31 11 3 43 1 16.76 8 5 32 0 22.53 9 18 40 1 24.42 7 1 49 1 15.98 4 10 43 0 15.52 1 9 31 0 33.98 9 22 45 0 38.19 11 3 31 1 22.62 4 14 55 0 17.59 6 5 30 1 17.31 9 3 28 0 21.57 6 15 60 1 20.47 4 13 32 0 15.3 4 9 58 1 15.82 5 4 28 0 16.53 6 5 40 1 16.17 6 2 37 0 26.24 4 18 52 1 19.69 6 4 44 0 15.79 6 4 57 0 17.45 9 3 30 1 17.18 5 8 43 0 17.13 7 6 31 1 13.36 4 3 33 0 15.02 6 23 51 1 17.89 4 15 37 0 15.16 4 9 45 0 16.66 6 3 55 0 17.79 5 14 57 0 35.56 9 16 36 1 20.05 4 20 60 1 11.05 4 5 35 0 13.29 9 10 34 0 16.72 5 4 28 1 12.96 6 1 25 0 17.65 7 10 43 1 15.48 9 2 42 1 23.56 4 17 47 0 15.91 11 2 46 1 25.05 4 15 52 0 23.12 8 11 64 0
A mayor running for re-election claims that during his term, average municipal taxes have fallen by $100. A conscientious statistician wants to test this claim. He surveys 38 of his neighbors and finds that their taxes decreased (in dollars) as follows:113, 85, 109, 97, 117, 87, 105, 116, 84, 122, 118, 107, 108, 115, 100, 100, 107, 111, 101, 108, 71, 107, 80, 103, 86, 121, 117, 83, 113, 107, 124, 102, 78, 112, 96, 97, 88, 117The statistician assumes a population standard deviation of $14. Do you think the statistician should reject the mayor's claim? Why or why not?Step 1: State the hypothesis. = Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem.By the Central Limit Theorem, we know that the point estimates are ___ with distribution mean ____ and distribution standard deviation ______.Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate.P(___ ___ ___ ) = P(___ ___ _____ )= _____
The table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars). 5.67 1.86 28.82 9.48 14.85 5.78 2.82 3.87 192.43 16.72 21.11 8.85 10.29 14.48 1.34 4.11 77.74 14.81 24.66 3.72 10.86 4.63 2.43 4.16 26.50 14.36 19.81 5.06 7.55 3.63 0.75 4.00 35.75 14.45 22.42 6.62 8.64 4.82 1.49 2.38 Click here for the Excel Data File (a) Select the correct histogram for the above data. Histogram A Histogram B Histogram C Histogram A Histogram B Histogram C (b)Describe the shape of the histogram. The distribution is skewed to the left. The distribution is symmetric. The distribution is skewed to the right. (c) Identify any unusual values. (Round your answers to 2 decimal places.) There are two unusual values: _______ million and______ million.
y 67.7 21.7 184.2 73.9 64.2 19.6 73.1 31.9 86.8 28 83.7 24.8 58.5 8.8 84.9 38.4 78.5 10.7 67.8 39.5 52.5 23.7 49 22 74.4 10 82 29.4 77.4 19.3 82.8 28 72.4 11.4 79 23.7 85.6 48.7 65.2 17.4 79.2 16.2 107.8 49 69.4 19.7 79.1 31.7 82.1 14.6 75.9 29.4 Make a scatter plot of this data. Which point appears to be an outlier? |(184.2,73.9) (Enter as an ordered pair.)
The table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars). 5.33 18.3 24.55 9.08 12.22 5.52 2.01 3.81 192.92 17.83 23.77 8.7 11.15 4.87 1.72 3.72 66.08 15.41 22.59 6.75 9.97 4.83 1.29 3.72 28.09 12.32 19.55 5.55 9.19 3.83 0.79 2.79 34.91 13.95 20.77 6.47 9.63 4.47 1.01 3.07 Identify any unusual values. (Round your answers to 2 decimal places.) _____ Million _____Million
The table shows the annual compensation of 40 randomly chosen CEOS (millions of dollars). Saved 5.12 1.81 17.55 18.07 194.40 24.11 6.06 12.84 24.08 6.56 15.81 87.73 8.63 2.58 2.71 25.37 13.12 4.10 25.99 15.46 5.69 11.02 4.25 37.30 18.31 5.49 6.05 14.04 21.08 8.94 1.74 5.43 6.27 2.78 0.74 8.54 4.81 3.34 1.61 4.50 picture Click here for the Excel Data File (a) Select the correct histogram for the above data. Histogram A Histogram B Histogram 35 Histogram C Histogram 30 35 Histogram 25 30 40 35 20 25 30 15 20 25 15 20 10 15 10 0. 20 40 120 20 40 60 Compensation 120 60 80 180 20 Compensation 100 140 Compensation O Histogram A O Histogram B O Histogram C (b) Describe the shape of the histogram. Type here to search 83% Percent 10 09 08 180 Percent 80 140 Percent 120 180
A mayor running for re-election claims that during his term, average municipal taxes have fallen by $125. A conscientious statistician wants to test this claim. He surveys 37 of his neighbors and finds that their taxes decreased (in dollars) as follows: 121, 139, 121, 125, 118, 145, 141, 91, 127, 136, 144, 154, 131, 139, 139, 125, 108, 130, 125, 106, 137, 148, 154, 134, 137, 112, 96, 114, 114, 126, 133, 129, 94, 129, 148, 163, 121 The statistician assumes a population standard deviation of $19. Do you think the statistician should reject the mayor's claim? Why or why not? Step 1: State the hypothesis. ?v= Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are [Select an answer with distribution mean and distribution standard deviation Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. P? ✓ ? ♥ = P(? ? ♥
Female: 15 14.85 15.2 14.25 13.85 13 13.6 13.7 14.05 12.7 14.05 13.65 13.25 13.25 13.55 12.95 13.55 13.05 11.85 13.2 11 13.8 12.25 12.1 12.1 11.6 11.9 12.05 10.75 11.2 10.55 11.1 10.45 9.6 13.85 14.25 14.8 14 14.5 13.75 13.55 12.55 13.2 13.7 13.35 13.25 12.95 13.4 13.35 13.3 12.3 13.55 12.8 12.4 13.1 12.3 12.6 12.65 11.9 10.2 12.05 11.7 10.4 10.75 9.8 9.6 10.75 9.75 9.55 9.05 14.65 14.2 15.35 14.6 14.3 14.75 13.65 13.7 14.25 13.8 14.1 13.6 14 14.25 13.2 14.4 13.25 13.7 13.15 13.05 13.45 12.4 13.3 12.75 12.2 12.6 11.55 11.6 11.6 10 10.9 10.35 11.75 11.3 10.3 10.9 Male: 13.55 13.75 13.5 14.25 13.35 13.85 13.5 13.1 12.8 12.35 13.25 10.6 12.6 13.35 13.5 13.55 12.9 11.8 13.05 13.4 12.05 11.05 11.8 11.8 11.9 12.35…
1.6 ACSF L5 SC Statistics: Tables, Charts and Diagrams Tables, Charts and Diagrams Average prices (in dollars) were recorded for three types of beverage across all 8 major Australian states and territories. What fraction of all the beverages shown cost more than $3.50? 4.20 4.10 4.00 3.90 3.80 3.70 3.60 3.50 3.40 3.30 3.20 3.10 3.00 2.90 2.80 2.70 2.60 0 ACT NSW ☎ Exit NT QLD ■ Espresso Flat White Help 1 SEARCH LIBRARY [EE] Submit your question to our 24/7 subject matter experts with Masters and PhDs and get a solution in as fast as 30 minutes* BI Add Image ACT וכ NSW ASK AN EXPERT NT X² X₂ !!! CONTINUE QLD !!! Cappuccino Espresso LIVE CHAT Like you, we deeply value honesty and integrity. Learn about our honor code. *Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers and new subjects. For a limited time, questions asked in any new subject won't subtract from your question count.…