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 actualmean u= $1.665 and standard deviation o = $1.048.E Click the icon to view the frequency distribution for the tax rates.- XFrequency distribution of cigarette tax ratesFrequencyTax Rate0.00 -0.490.50-0.99The population mean is $(Round to three decimal places as needed.)121.00–1.4971.50-1.992.00-2.492.50-2.993.00-3.493.50-3.994.00-4.4976431PrintDone

Given data isMean(μ)=1.665standard deviation(σ)=1.048 Tax Rate Frequency 0.00-0.49 6…

Answered: The frequency distribution was obtained…

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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Complete the table and find the mean, median and mode. NOTE: Draw the table in your paper. CLASSES FREQUENCY CLASS CLASS MARK CUMULATIVE BOUNDARIES FREQUENCY 21 - 30 31 - 40 41 - 50 51 - 60 61 - 70 71 - 80 81 - 90 17 24 32 42 45 50
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.9 degrees. Low Temperature (F) Frequency 40-44 45-49 50-54 7 12 2 55-59 60-64 6 3
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is. (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 85 90 90 98 89 15 10 10 35 30
A quantitative data set as a mean of 24 and a standard deviation of 2. What percent of the observations lie between 16 and 32?
Calculate the average (mean) of the data shown, to two decimal places X 16.6 25 28.3 7.2 23.2 8.5 29.6 26.4
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
Automobiles traveling on a road with a posted speed limit of 65 miles per hour are checked for speed by a state police radar system. The following is a frequency distribution of speeds. Speed (miles per hour) Frequency 45 up to 55 70 55 up to 65 360 65 up to 75 250 75 up to 85 110 (See the Excel Data File.) The mean speed of the automobiles traveling on this road is the closest to ________.
Calculate the 25th percentile of the data shown x 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9 I need help
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. W Click the icon to view the histogram. .. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 25- 24 20- |14 15- 10- 17 5- X 48.5 70.5 92.5 114.5 136.5 158.5
The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 86 10 83 10 98 10 98 40 89 30
The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint for "30+ hours." Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the pie chart. First construct the frequency distribution. Weekly study hours Class Frequency, f 0-4 5-9 0-4 hours (3 people) 10-14 5-9 hours (14 people) 10-14 hours (19 people) 15-19 15-19 hours (21 people) 20-24 20-24 hours (14 people) O 25-29 hours (13 people) 25-29 30+ hours (4 people) 30+ Print Done
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.9 miles per hour. Speed (miles per hour) Frequency 42 - 45 46-49 50 - 53 54 -57 58 -61 25 15 The mean of the frequency distribution is miles per hour. (Round to the nearest tenth as needed.)

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