1:11KA national survey asked people, "How often do you eatout for dinner, instead of at home?" The frequencies wereas follows. Complete parts (a) through (g).ResponseNeverRarelySometimesMost of the timeAlways|||=Frequency38533598833916O(a) Construct a relative frequency distribution ofthe data.O A.SometimesMost of the timeAlways(Round to three decimal places as needed.)(b) What percentage of respondents answered"Always"?O(Round to one decimal place as needed.)(c) What percentage of respondents answered"Never" or "Rarely"?(Round to one decimal place as needed.)(d) Construct a frequency bar graph. Choose thecorrect answer below.B.Vo) 1LTE 4G. 25%O A.B.NeverRarelyO A.O C.00FrequencyFrequencyResponseFrequencyRelative Freq.Relative Freq.(e) Construct a relative frequency bar graph.Choose the correct answer below.Relative Freq.1000-750-500-250-0-1000-750-500-250-0-1000-750-500-250-0-ooooON AGOööööFREööööwwwww0.440.2-RelativeFrequencyNRSMANRSMANRSMANRSMANRSMA(f) Construct a pie chart. Choose the correctanswer below.NR SMAdescriptiveinferentialMASMAMASMAO B.O D.☐☐☐☐☐MASMAMASMA(g) Suppose a person claims that, "0.8% of allpeople in the nation always eat out." Is this adescriptive or inferential statement?N

Relative frequency = frequency/total Percentage= relative frequency*100

Answered: A national survey asked people, "How…

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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A keen angler kept a record of the weight of each of his last 51 catches of fish. The weights, recorded to the nearest 0-1 kg, are as given in the following table. Weight (kg) 0.0-0.4 0.5-0.9 1.0-1.2 1.3-1.7 1.8-2.1 2.2-3.7 3.8-5-2 Frequency 12 8 2 9 8 8 4 Draw a histogram for the data, and use it to calculate the modal class.
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. D a. Find and interpret the range. The range is days.
Question Annual sales (in million taka) by a chain shop are provided below.Year201020112012201320142015201620172018Sales6812181513161210(a) Estimate first order autocorrelation function ?(1) and use this to comment on the properties of the time series.(b) Obtain forecast for the year 2019 from the trend model ?̂?=5.48+4.52?−0.50?2.
(a) Determine the population mean pulse. The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.) Student Pulse O Perpectual Bempah 81 Megan Brooks Jeff Honeycutt 75 75 Clarice Jefferson 84 Crystal Kurtenbach 90 Janette Lantka 71 Kevin McCarthy 67 Tammy Ohm 71 Kathy Wojdya 85
A data set is summarized in the frequency table below. The data set contains a total of 30 data values. What is the missing frequency? Value Frequency 1 5 2 3 3 4 4 6 5 □ 6 2 7 3 8 4
The following data set outlines the scores students had on an Algebra test. 40 40 40 40 40 40 41 41 42 43 43 43 43 43 44 44 44 44 45 45 i) Fill in the frequency table(below) Scores Score Frequency 40 41 42 43 44 45
Let X1, X2, X3, be a r. s. from normal distribution with mean 0 and variance 1, let the prior distribution of 0 is normal with mean zeroand variance 1. Let L(6,0) = (ô - 0). Find the Bayes estimator of 0
To display the distribution of grades (A, B, C, D, F) in a course, it would be correct to use which of the following? A histogram A stemplot A bar chart A quantitative pie chart A time plot
In a student survey, fifty-two part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 0.3462 18 2 19 37 3 15 0.2885 What percent of students take exactly two courses?
Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. (a) There are (Type a whole number.) classes. (b) The least frequency is about (Round to the nearest whole number as needed.) The greatest frequency is about. (Round to the nearest whole number as needed.) (c) The class width is $0. (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? A. About half of the employees' salaries are between $40,000 and $49,000. B. About half of the employees' salaries are between $50,000 and $59,000. C. Most employees make less than $34,000 or more than $60,000. D. Less than half of the employees make between $35,000 and $59,000. Frequency 300- 200- 100- 0- Employee Salaries 32 37 42 47 52 57 62 Salary (in thousands of dollars) O
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.5 degrees. Low Temperature (o F) 40 - 44 45 - 49 50 - 54 55 - 59 60 – 64 D Frequency 2 9. ... The mean of the frequency distribution is degrees. (Round to the nearest tenth as needed.) Which of the following best describes the relationship between the computed mean and the actual mean? O A. The computed mean is close to the actual mean because the difference between the means is more than 5% of the actual mean. B. The computed mean is not close to the actual mean because the difference between the means is less than 5% of the actual mean. C. The computed mean is not close to the actual mean because the difference between the means is more than 5% of the actual mean. D. The computed mean is close to the actual mean because the difference between the means is less than 5% of the actual mean.
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