Frequency distribution of cigarette tax ratesTax RateFrequency0.00–0.4950.50-0.99121.00–1.4971.50–1.9972.00–2.4972.50-2.9973.00–3.4963.50–3.9934.00–4.493 The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population meanand population standard deviation. Compare these results to the actual mean u= $1.885 and standard deviation o = $1.115.E Click the icon to view the frequency distribution for the tax rates.The population mean is S(Round to three decimal places as needed.)

Answered: Image /qna-images/answer/add3dcbb-5c1d-47a6-b6e9-662cc0e4fae7.jpg

Answered: The frequency distribution was obtained…

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 scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? Score Percent of final grade Homework 87 20 Quiz 85 15 Quiz 98 15 Project 100 20 Final Exam 85 30 The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.)
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Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.6 The indicated IQ score, x, is (Round to one decimal place as needed.)
For a given data, calculate the mean, the median, the standard deviation. Show your work, do not skip steps.Given data: 2.03[cm] 2.14[cm] 1.98[cm] 2.01 [cm] 1.88[cm]
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation Compare these results to the actual mean µ = $1.667 and standard deviation o=$1.073. Click the icon to view the frequency distribution for the tax rates. The population mean is $ (Round to three decimal places as needed) The population standard deviation is $ (Round to three decimal places as needed.) Compare these results to the values found using the actual data. OA. The grouped values are both slightly larger. OB. The grouped values are both slightly smaller. OC. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller. OD. The grouped mean is slightly smaller, while the grouped standard deviation is slightly larger. Frequency distribution of cigarette tax rates Tax Rate 0.00 0.49 0.50-0.99 1.00-1.49 1.50-1.99 2.00-2.49 2.50-2.99 3.00-3.49 3.50-3.99…
John records the dates of a bunch of nickels. Determine the mean date of the nickels. final answer, rounded to 2 decimal places. hint: find the midpoint of each yearly range Date 1990-1999 1980-1989 1970-1979 1960-1969 Frequency 56 42 21 5
should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?
The number of cans of soft drinks sold in a machine each week is recorded below. Develop forecasts for the period indicated and error calculations. 155, 145, 155, 162, 180, 165, 172, 149, 170, 172 Exponential smoothing. Use an alpha level of .8 What is the Mean Squared Error (MSE). What is the Mean Absolute Percentage Error (MAPE).
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? Score Percent of final grade O Homework 82 15 Quiz 87 10 Quiz 97 10 30 Project Final Exam 97 91 35 The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.)
The ages (in years) and helghts (in inches) of all pitchers for a beseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. -Click the Icon to view the data sets. CV. %D Round to one decimal place as needed.)
What is the FSTAT and P-Value?
Use a calculator or computer software to generate a normal quantile plot for the data in the accompanying table. Then determine whether the data come from a normally distributed population. Click the icon to view the data set. Generate a normal quantile plot for the data. Choose the correct graph below. OA. 3.00 2.00- 1.00- 0.00- -1.00- -2.00- -3.00- 0 100 200 300 400 500 X Value Data table Space Flight Durations (hours) 0 350 100 400 300 200 50 150 200 OB. 3.00- 2.00- Print 1.00- 0.00- -1.00- -2.00- -3.00+ 0 BEELD 100 200 300 400 500 X Value 300 300 200 100 450 200 50 0 0 400 100 450 G Determine whether the data come from a normally distributed population. Choose the correct answer below. OA. The distribution is not normal. The points are not reasonably close to a straight line. OB. The distribution is normal. The points show a systematic pattern that is not a straight-line pattern. OC. The distribution is normal. The points are not reasonably close to a straight line and do not show…

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