I3. Using the following data set:2, 7, 4, 9,8Find the mean and standard deviation of the data set (just like lectures 3 and 4). Then, use themean and standard deviation you found to find the Z scores of each number in the above data set(use the Z score formula).1,433ACmie numerical value of the scultFEB11MacBook Air

Given that Data X: 2, 7, 4, 9, 8 We have to find Mean and standard deviation and Z score of each…

Answered: I 3. Using the following data set: 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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Find a. the mean; b. the deviation from the mean for each data item; and c. the sum of the deviations in part (b) for the following group of data items. 157,158,163, 167, 170
For each test below, describe what it is used for and to what type of data does it apply.(a) Rosner’s test(b) Grubb’s test(c) Dixon’s test
Find the mean for the following group of data items. 74, 71, 73, 66, 71, 77 The mean is 72. (Type an integer or a decimal.)
Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9 Find the median and mean weights of these cats. If necessary, round your answers to the nearest tenth. (a) Median: pounds X Ś ? (b) Mean: pounds
Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored 75, 83, and 81 on her three in-class tests and also has a homework average of 88. Her professor calculates the class grade by finding the mean of five grades: three in-class tests, the homework average and the final exam. What is the minimum score Joselyn must earn on the final exam to have a class grade (mean) of 80? A. 67 B. 95 C. 70 D. 73
B. Directions: For each of the following, calculate the mean, median and mode. Show your solution. (Ungrouped data) 1. 7, 8, 9, 5, 8, 7, 7, 9, 8, 6 2. 100, 120, 132, 122, 145, 121, 105, 109, 3. 115, 119, 114, 112, 112, 109, 104, 106
Run the descriptive statistics for hrs/week of exercise. Include the mean, median, quartiles, min, max, standard deviation and IQR. First do this for hrs/week of exercise overall. Copy and paste the values below. Then redo this splitting up the data by sex. Copy and paste that below too. What similarities and/or differences do you see? Age Gender Height Arm Length Number Siblings Birth Order Handedness Number Classes Number Credits Hrs. Exercise Athlete at Broome Hrs. TV Award Pulse Number Piercings Facebook Friends Followers on Instagram Tattoo Division Local section 18 f 63 27.5 2 3 r 4 14 1.5 n 3 NP 74 2 82 72 n HS y 4 19 m 74 31.5 4 5 r 4 11 5 n 1.5 O 0 600 700 n STEM y 4 17 f 66 29.2 2 2 l 6 15 5 y 21 NP 64 2 1801 1370 n HS y 4 18 f 66 30 5 5 r 4 12 30 n 15 NP 91 1…
a set of 50 data values has a mean of 15 and a A set of 50 data has a mean of 15 and a varience of 36. find the standard score of a data value =21
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Can i get you alls help with the attached?
b and c
Kara has five exam scores of 6363, 5959, 6767, 7575, and 7373 in her biology class. What score does she need on the final exam to have a mean grade of 7070?

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I 3. Using the following data set: 2, 7, 4, 9,8 Find the mean and standard deviation of the data set (just like lectures 3 and 4). Then, use the mean and standard deviation you found to find the Z scores of each number in the above data set (use the Z score formula).