2.For the following information on a data set:Measurement Class.00-.75-75-1.501.50-2.252.25-3.003.00-3.753.75-4.50O 0.780.84d) What proportion of the scores are in between 2.25 and 6.75?0.63Relative Freq.0.75.01.030510Measurement Class4.50-5.255.25-6.006.00-6.756.75-7.507.50-8.258.25-9.009.00-9.75Relative Freq.42015.191209

Answered: Image /qna-images/answer/5baf5405-d964-4939-afa9-9df6936168e4.jpg

Answered: 2. For the following information on a…

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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Given the following data, find the diameter that represents the 35th percentile. Diameters of Golf Balls 1.67 1.52 1.42 1.52 1.58 1.35 1.33 1.57 1.31 1.43 1.41 1.33 1.39 1.59 1.43
A sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.
C. The following table summarizes the grade point averages (GPAS) of graduate students in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 3.2-under 3.4 3.4-under 3.6 6 3.6-under 3.8 16 3.8-4.0
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated Choose the correct answer below. O A. The nominal level of measurement is most appropriate because the data cannot be ordered. OB. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point. OC. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. OD. The interval level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is no natural starting zero point. DELL Nex
2. The data set are 17, 15.12, 15.9, 11, what is the mean value? a. 59.02 b. 14.76 c. 13.75 d. 12.17 3 What is the median
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Types of restaurants (fast food, organic food, sea food, etc.) Choose the correct answer below. A. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting point. O B. The nominal level of measurement is most appropriate because the data cannot be ordered. OC. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. O D. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point.
The first step in finding the interquartile range involves calculating the ____ of the data set. a. mean b. median c. standard deviation d. range
What is the proportion that lies between the z scores under the normal curve? A. 1.00 and -1.00 B. 1.96 and -1.96 C. 2.58 and -2.58 D. 0.00 and 1.00 E. 1.50 and 0.10 F. 2.00 and 0.80
Given the following data, find the diameter that represents the 38th percentile. Diameters of Golf Balls1.53 1.35 1.33 1.58 1.581.54 1.37 1.67 1.61 1.531.31 1.42 1.34 1.55 1.36
Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated
Find the value of mean for the following set of measurements 21.9,22,20.7,21.4,19.8
Title The following data table contains the amounts that a sample of nine customers spent for lunch (in... Description The following data table contains the amounts that a sample of nine customers spent for lunch (in dollars) at a fast-food restaurant. 4.22 4.95 5.89 6.55 7.25 7.67 8.46 8.56 9.96 a. At the 0.05 level of significance, is there evidence that the mean amount spent for lunch is different from $6.50? b. Determine the p-value and interpret its meaning. c. What assumption must you make about the population distribution in order to conduct the t test in (a) and (b)? d. Since the sample size is nine, do you need to be concerned about the shape of the population distribution when conducting the t test in (a)? Explain.

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