The following table gives the marks of a sample of students in Statistics. Marks No. of Students 40 to less than 50 6. 50 to less than 60 12 60 to less than 70 22 70 to less than 80 34 80 to less than 90 39 90 to less than 100 19

The following table gives the marks of a sample of students in Statistics. Marks No. of Students 40 to less than 50 6. 50 to less than 60 12 60 to less than 70 22 70 to less than 80 34 80 to less than 90 39 90 to less than 100 19

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: What is the class width? O A. the difference between the largest frequency and the smallest…

A: The “class width” is the distance between the lower limits of consecutive classes.

Q: The marks of 8 students out of 50 are given below, find out the arithmetic mean from the given data.…

Q: The results of her class are as follows: Score earned Number of students 25 14 50 23 75 19…

Q: 11. What is the median for the following set of scores? Scores: 1, 2, 6, 11, 17

Q: Here are the scores on the scores on the first exam in an introductory statistics course for 1o…

A: Data 80,73,92,85,75,98,93,55,80,90 Note: According to Bartleby guidelines expert solve only one…

Q: The following data set indicates the time taken (in minutes) for a sample of eleven employees of…

Q: The grades on the second statistics test for Ms. Rose's class are in the following list. Complete…

A: We first arrange the data A, B, B, C, C, C, C, C, C, C, C, C, D, D, D, D, D, D, F, F, F

Q: he table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3…

A: The formula to find the mean is x=∑f·x∑f. Consider the following table. Test score (x) Frequency…

Q: Q2. From the following data below. 17 19 21 18 20 18 19 20 20 21 1. What is the mean? (а) 19.9 (b)…

A: Given data: 17, 19, 21, 18, 20, 18, 19, 20, 20, 21 (1) Mean is the sum of observations divided by…

Q: a. If each of 8 students scored 90 on a test, find each of the following for the scores. i. Mean ii.…

A: (a) 8 students scored 90 on a test. (i) mean = Total spaceNumber of players ⇒ mean = 8*908 = 90⇒…

Q: 24 2. The test scores of 16 students are listed below: 44, 46, 51, 57, 60, 63, 65, 70, 75, 76, 85,…

Q: 25. Find Median from the following frequency distribution. Classes More More More More More More…

Q: Find the median for the following group of data items. 30,27,26,25,31,28,24,26 The median is…

A: Given data set: 30,27,26,25,31,28,24,26

Q: Find the median from the following table : Marks No. of students Marks No. of students 0-10 2 40-50…

Q: The marks of 10 students out of 50 are given below. Calculate the Arithmetic mean for the given…

A: According to the given information, we have The marks of 10 students out of 50 are given.

Q: 1. The following is a sample of quiz scores: 1, 6, 4, 2, 5, 9, 7, 4, 8, 4. What is the mean of this…

A: Given Information: 1) sample of quiz scores is 1, 6, 4, 2, 5, 9, 7, 4, 8, 4. To find the mean of…

Q: 15 A book club has 200 members. Each member was asked whether he or she prefers fiction or…

Q: 4. Find the mean of the following distribution number of students present in the class o different…

Q: 45. The median of the following data is 28. Find the missing frequency Scores 0-10 10-20 20-30 30-40…

Q: Below is the frequency distribution table of the Mathematics test scores of 50 students. Which of…

A: Given table is mathematics test score of 50 students Scores Frequency 46-50 4 41-45 8…

Q: A school principal surveys 4 freshman, 4 sophomores, 4 juniors, and 4 seniors. For the situation…

A: We have to find correct answer for given data....

Q: Below are the times (in days) it takes for a sample of 21 customers from Sarah's computer store to…

A: Introduction: We need to construct a histogram using the data.

Q: there are 26 students took the exam, the table below shows the frequency distribution s of their…

A: Given information: There are 26 students who took the exam. The frequency distribution of the…

Q: Jesse took a survey of her classmates on how many pairs of shoes they owned. Which frequency…

Q: The test scores of 10 randomly selected students are listed below. Find the median. 30 35 43 44 47…

Q: Find the median for the following samplesa) 38, 25, 11, 20, 31b) 18, 30, 24, 45, 13, 10, 27, 50

Q: The following values represent the distance (in miles) that a sample of 10 dating couples live from…

Q: Construct a Histogram for the following frequency distribution of the heights of 100 male students…

A: Given Height (inches) No. of students 60-62 5 63-65 18 66-68 42 69-71 27 72-74 8

Q: 24. The marks obtained by the students in a class as given below. You find Median. Marks 10-19 20-29…

Q: The following are distances (in miles) traveled to the workplace by 17 employees of a certain…

A: (A) Obtain the Percentile P25 of the distances. The Percentile P25 of the distances is obtained…

Q: The boxplots below represent movie run-times (length of a movie in minutes) for movies that have…

A: Introduction: It is required to identify the movies having the largest variety in typical run-time.

Q: For each set of data, compute the mean, median and mode. 1. 20, 22, 27, 18, 20, 21, 21, 25, 16, 28,…

Q: Given the following table. Calculate the mean number of children per family for the sample. "|…

A: Answer - Given data Number of children(x)(1) Number of families (f)(2) f⋅x(3)=(2)×(1) 0 8 0…

Q: C. The following table summarizes the grade point averages (GPAS) of graduale students in a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: CALCULATE FOR THE MEAN, MEDIAN, AND MODE FROM THE GIVEN SET OF QUESTIONS A. Marks on a set of tests…

A: Since you have posted multipart question and we can answer three subparts. So, answered first three…

Q: 28. Find the missing frequencies of the following data. The average marks of 100 students as per…

Q: 1. The following are the score of 12 students in Statistics quiz: 86, 94, 90, 76, 95, 72, 82, 91,…

Q: Example 7. In a batch of 25 students, 7 students failed in a test. The marks, of 18 students who…

Q: 10. A student has a mean score of 75 on three tests. If her scores on the first tests are 80 and 75,…

Question

The following table gives the marks
of a sample of students in Statistics.
Marks
No. of Students
40 to less than 50
50 to less than 60
12
60 to less than 70
22
70 to less than 80
34
80 to less than 90
39
90 to less than 100
19
The mean is:
Select one:
71.75
74.25
75.98
76.27

If the standard deviation of a data
set is (4.7); the variance will be:
Select one:
22.09
2.16
2.42
5.2

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Markov Processes and Markov chain$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

Every possible sample of 2 of these students is listed below. Complete the table. Ages Sample mean, x¯ 80, 80 80, 55 80, 57 55, 80 55, 55 55, 57 57, 80 57, 55 57, 57 e) What is the the mean of all the sample means?
b) The following is the marks obtained by 140 students in a college. Find the median and mode. Marks 10- 20- 30- 40- 50- 60- 70- 80- 90- 19 29 39 49 59 69 79 89 99 No of 7 15 18 25 30 20 16 7. students
10. What is the value of the median for the following set of scores? Scores: 1, 3, 4, 6, 8, 12, 13, 23, 25, 26
37. The mean score for a set of data is marked by the dotted line on the following graph. Which value is a likely z-score for the indicated value? Choose from a.-2.1, b. 0, or c. 2.7. Z= ? X
A student receives the following grades with an A worth 4 points, a B worth 3 points and a C worth 2 points and a D worth 1 point what is the students weighted mean grade point score? B in 3 four credit classes A in 1 three credit classes D in 1 two credit class C in 1 three credit class
2. The following table shows the distribution of number of students per teacher in 80 Colleges. Determine the arithmatic mean: Students : 4 8 10 12 18 24 22 Frequency: 10 15 14 13 11 9.
A sample of 25 freshmen at a major university completed a survey that measured their degree of racial prejudice (the higher the score, the greater the prejudice) Compute the median and mean for these data? 10 43 30 30 45 40 12 40 42 35 45 25 10 33 50 42 32 38 11 47 22 26 37 38 10
4. There are 35 students in a class. Fifteen of them are men and 20 of them are women. The mean height of the men is 69.65 inches, and the mean height of all 35 students is 67.18 inches. What is the mean height of the women?
Consider a sample with data values of 7, 19, 8, 15, and 11. Compute the z-score for each of the five observations. z-score for 7 z-score for 19 z-score for 8 z-score for 15 z-score for 11 Need Help? Read It
The following are the distances (in miles) to the nearest airport for 13 families. 9, 10, 16, 24, 27, 30, 31, 34, 37, 41, 41, 46, 47 Notice that the numbers are ordered from least to greatest. Give the median, lower quartile, and upper quartile for the data set.
5. Given below are the marks of 69 students. Find out the median value. Mark in test Gmedian class) frequency (0 5-9 12 9-13 4. 13-17 15 17-21 18 21-25 14 25-29 6.
A set of five different whole numbers are arranged in order from smallest to largest. The firstand last numbers are decreased by one. Which measure of spread for the set could thischange?a. The range. c. The standard deviation.b. The median. d) all of the above