When finding percentiles, if the locator L is not a whole number, one procedure is to interpolate so that a locator of 23.75, for example, leads to a value that is three fourths of the way between the 23rd and 24thscores. Use this method of interpolation to find P75 for the set of test scores below.51 54 64 68 72 74 76 83 94 94 99...О А. 94В. 85.75С. 88.5O D. 83

Using the method of interpolation , we need to find P75 for the set of test scores below. 51 54 64…

Answered: When finding percentiles, if the…

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 following histogram shows the exam scores for a Prealgebra class. Use this histogram to answer the questions. Frequency 24 20- 16- 12- 8. 4- 0+ 70.5 19 75.5 Prealgebra Exam Scores 4 80.5 7 85.5 Scores 13 90.5 11 95.5 8 100.5 Step 5 of 5: Find the percentage of students that scored higher than 80.5. Round your answer to the nearest percent.
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 1 7 2. 8 3 10 1 The mean score on this test is: The median score on this test is: 3. 456 OON
Assume that the histograms are drawn on the same scale. Which of the histograms has the smallest interquartile range (IQR)? I II III IV Histogram I O Histogram II O Histogram III O Histogram IV
HISTOGRAM: 3. The following is the IQ scores for 40 randomly chosen fifth graders in 2012. 108 113 12699 117 119|102 109 129 109 130112 81 13890 105 80 123 100 135 140 103 133 127 139 99 114129|108 132118 113 114 128 110 98 127 120 93 85 A. What type of data is this (Categorical or Numerical)? Use the calculator to help you draw a histogram for this IQ data. Full detail steps for using the Ti-83/84 calculator to draw a histogram given in the Chapter 11 notes. B. Enter the fifth grades IQ Scores data into List 1 (L1). C. Using STAT PLOT menu set up your calculator to draw a histogram.
Use the California method in the linear interpolation formula to estimate the 86.81 percentile for the following grouped frequency distribution. Round the answer to four decimal places. f 10-20 2 20-30 1 30-40 9 40-50 4 50-60 60-70 9.
Please help with HW, question in image
Find the 5 number summary for the data shown 9 19 50 61 85 13 28 51 73 78 94 5 number summary: Use the Locator/Percentile method described in your book, not your calcula Question Help: Video 1 Video 2 Submit Question
The data set below represents the ages of 36 Executives. Find the percentile that corresponds to an age of 61 years 30 31 32 32 34 36 37 39 42 43 44 45 46 47 47 48 48 49 50 50 51 51 51 53 54 57 58 59 61 61 62 63 64 65 66 Percentile of 61 is equal to what? Round to the nearest integers as needed
A researcher randomly purchases several different kits of a popular building toy. The following table shows the number of pieces in each kit in the sample. Find the range of the data. Building Toy Pieces 165 50 270 355 355 50 109 301 270 114 175 495 Copy Data
A survey was taken of the heights, in inches, of 20- to 29-year-old males.A simple random sample of n=15 males 20 to 29 years old results in the data in the table. Construct a 95% t-interval about the population mean. Decide if a 95% t-interval can be constructed about the population mean. If not, state the reason why 65.9 65.4 72.2 73.5 68.1 O A. At-interval can not be constructed because there is an outlier. 73.3 69.5 68.5 71.3 70.2 72.3 66.4 67.9 70.1 O B. At-interval can not be constructed because the data is not normal. 67.7 O C. At-interval can be constructed. For convenience, a normal probability plot and boxplot are given. Percent 75- 50- 25- 0- 60 70 80 65 Height Height
The number of miles per gallon (MPG) for 58 foreign cars is given in the following frequency table. Find the mean, median, and mode for these data. 19 23 28 29 MPG Frequency 2 4 5 5 OA. The mean is approximately 20 5 21 2 22 7 Find the mean. Select the correct choice below and fill in any answer boxes in your choice. OA. The median is (Type an integer or decimal rounded to the nearest tenth as needed.). 24 7 OB. There is no mean for these data. Find the median Select the correct choice below and fill in any answer boxes in your choice! (Type an integer or decimal rounded to the nearest tenth as needed.) 25 8 26 8 27 3 30 2
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