Answered: in the simple frequency distribution…

in the simple frequency distribution constructed from the data 9,8, 8, 7,7,7 ,5,5,4,4,4, 3,2,1 the score '7' will have i frequency of? (a) 4 (b) 1 (c) 3 (d) 5 (e) 2

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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1) Find the average, median and mode of this distribution.2) Then find Q1, Q2 and Q3.4) Are the answers the same? 54, 67, 58, 98, 65, 77, 86, 49, 86, 85, 90, 64, 69, 74, 57, 60, 88, 96, 83, 56,66, 88, 79, 76, 56, 55, 88, 63, 85, 61, 71, 96, 81, 65, 79 *its in disorder!* Choices of awnser: A) 1. Average: 74; Median: 76; Mode: 65, 2. Q1: 61; Q2: 74 : Q3: 86.3. No. The answers in the table are less accurate since they are onlyestimate. B) 1. Average: 73.46; Average: 74; Mod: 88, 2. Q1 : 62; Q2 : 74; Q3 : 85.53. Yes. They are quite equivalent because they are the same result. C) 1. Average: 73.46; Average: 74; Mod: 88, 2. Q1 : 62; Q2 : 74; Q3 : 85.53. Yes. They are quite equivalent because they are the same result. D) 1. Average: 73.46; Average: 74; Mod: 88, 2. Q1 : 61; Q2 : 74; Q3 : 86 3. No. The answers in the table are less accurate since they are onlyestimate.
Q2) A researcher wants to know if the mean times (in minutes) that people watch their favourite news station are the same. The following table shows the result of a study. TV Channel 1 TV Channel 2 TV Channel 3 45 15 72 12 43 37 18 68 56 38 50 60 23 31 51 35 22 (a) Test at a = 0.05 if the mean times (in minutes) that people watch their favourite news station are the same. (b) Test whether there is difference in the population variances between TV Channel 1 and TV Channel 2 using 5% level of significance. (c) Test whether there is a difference in the mean times (in minutes) that people watch their favourite news station between TV Channel 1 and 2 at 2% level of significance.
I am in PSYCH STATISTICS. I am populating a frequency distribution chart (13,14,12,16,1211,13,17,16,13) the first column is X. below X each box (7 of them ) has a number (a1,a2,a3,a4,a5,a6,a7) I believe each box below X gets filled with the DATA NUMBER (from 11-17) . 1 Question #### There are only 6 Data numbers and 7 spaces (a1 - a7) #### The next Column is F ( I assume is the frequency of the data number. 2 Question There are 3 more columns. What do they stand for A) P B) CF C) PCT if possible can you completer the frequency distribution chart
SA3535 6) The following data gives the distribution of scores of 10 students in mathematics and statistics in a test. Find the correlation coefficient r (X,Y). Scores in Mathematics(X): 28 30 27 38 28 Scores in Statistics (Y): 40 26 27 28 34 a) - 0.315 o b) -0.153 c) O - 0.351 d) - 0.531 4 26 39 37 36 38 32 26 27 37 26 W
The students in the HS3333 course recently took an exam and these were the scores: 76, 88, 67, 80, 44, 65, 50, 98, 55, 45, 23, 44, 65, 78, 66, 56, 89, 76,87,29 What score is the 75% percentile? (Show work.) What score is the 90% percentile? (Show work.) A score of 55 is what percentile? (Show work.)
Q1) Inches of Rain Shown here is a frequency distribution for the number of inches of rains received in 1 year in 25 selected cities in the United States. Number Of Inches 5.5 - 20.5 65.5-80.5 80.5– 95.5 20.5 -35.5 35.5 -50.5 50.5 -65.5 Frequency 3 8 3 3 a) Find Mean, Median & Mode b) Also define the Symmetry of the distribution.
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The information below represents some summary statistics for MAT361, fall 2019, students in quiz 1 and quiz 2. [2] Summary statistics Quiz 1 Quiz 2 6. 9 12 12 16 16 (Lowest, Highest) (2, 22) (2, 22) Draw a box plots in a single graph for quiz 1 and quiz 2 using the above information. Explain how the students did in quiz 2 compared to quiz 1?
< Prev Question 7 of 23 Step 1 of 1 The grades on the second statistics test for Mrs. Sweeney's class are in the following list. Find the frequency distribution for the grades. A, D, D, C, B, D, D, F, B, B, B, B, D, D, D, F, B, B, D, B, B Grade A frequency= Grade C frequency= Grade F frequency= Grade B frequency= 01:26:29 Grade D frequency= Keypad Keyboard Shortcuts Next
how to answer 3(iii)
For the accompanying distribution of 30 scores, (a) carry out a rank-order transformation and (b) make a grouped frequency histogram of the ranked scores (04.9, 59.9, etc.)
The following are the lengths of stay (in days) for a random sample of 16 patients discharged from a particular hospital: 13, 9, 5, 11, 6, 3, 12, 10, 11, 7, 12, 12, 12, 9, 9,9 Send data to calculator Draw the histogram for these data using an initial class boundary of 2.5 and a class width of 2. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency S 0 This f Length of stay (in days) 0 Tom 0:00 00:0 X