Provided set of data are concentrations of suspended solids in river water that are collected for environmental characteristics. Total of 36 samples have concentrations of: 84 49 61 40 83 67 45 66 70 69 80 58 68 60 67 72 73 70 57 63 70 78 52 67 53 67 75 61 70 81 76 79 75 76 58 31 a) Construct a stem‐and‐leaf display of the data. b) Calculate first and third quartiles and median from stem‐and‐leaf display c) Construct histogram. d) Construct box diagram. e) Comment on the distribution of the data.
Provided set of data are concentrations of suspended solids in river water that are collected for...
2.) Below is a data set for a set of scores on a final exam: 63, 88, 79, 92, 86, 87, 83, 78, 41, 67, 68, 76, 46, 81, 92,77, 84, 76, 70, 66. 77, 75, 98, 81, 82,81, 87, 78, 80, 60, 94, 79, 52, 82, 77, 61, 77, 70, 74, 61 Complete the following questions: (4 points total) (1 point each) a.) Create a frequency distribution by hand b.) Create a histogram by hand c.) Create a stem-and-leaf...
Use the accompanying data set on the pulse rates (in beats per minute) of males to complete parts (a) and (b) below. LOADING... Click the icon to view the pulse rates of males. a. Find the mean and standard deviation, and verify that the pulse rates have a distribution that is roughly normal. The mean of the pulse rates is 71.871.8 beats per minute. (Round to one decimal place as needed.) The standard deviation of the pulse rates is 12.212.2...
Problem #1: Consider the below matrix A, which you can copy and paste directly into Matlab. The matrix contains 3 columns. The first column consists of Test #1 marks, the second column is Test # 2 marks, and the third column is final exam marks for a large linear algebra course. Each row represents a particular student.A = [36 45 75 81 59 73 77 73 73 65 72 78 65 55 83 73 57 78 84 31 60 83...
A. Make a stem-and-leaf display for the following data. Comment about the shape of the distribution. 58 52 68 86 72 66 97 89 84 91 91 92 66 68 87 86 73 61 70 75 72 73 85 84 90 57 77 76 84 93 58 47 B. Construct a frequency distribution using 6 classes with the first lower class limit of 58, draw a Histogram, and what is the shape of distribution? 58, 60, 62, 63, 70, 71, 71, 76,...
The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: Stem and leaf Relative frequency histogram Cumulative frequency Sample Mean Sample Median Mode Variance Standard deviation
02 The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: . Stem and leaf ....
Date: Course College of Westchester 10. The following are the scores of 30 college students on a statistics test: 75 69 52 72 84 80 81 77 96 61 64 65 76 71 79 86 87 71 79 72 87 68 92 93 50 57 95 92 98 83 (a) Construct a stem-and-leaf display. (b) Determine the median and mode of the aforementioned data. (c) Calculate the mean and the range of the aforementioned data.
MAT 422 Assignment 5 l. Using the data given below, test with 99% confidence that the population mean is greater than 70 What is the p-value associated to this problem? Show your work on a separate piece of paper. 80 79 76 5 81 69 75 68 75 83 67 62 65 59 60 58 80 79 75 81 79 73 68 83 62 81 65 65 61 72 70 83 84 63 74 78 83 62 Но: Hi: Test...
The given data is the grades for people in this class. The goal here is to determine the factors that effect student's Grade in the class. 4) Find the mean and median for the men's and the women's Quizzes. Gender Men Women 5) Test the claim that the majority of students at this class are women. F M F F M F F F F M M F F F M F F F F M M F F M...
Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. The following data are the joint temperatures of the O-rings (°F) for each test firing or actual launch of the space shuttle rocket motor (from Presidential Commission on the Space Shuttle Challenger Accident, Vol. 1, pp. 129-131): 83 46 61 40 83 67 45 66 70 69 80 58 68 60 67 72 73 70 57 63 70 78 52 67 53...