The following are Math marks out of 50 obtained in a Grade 9 class of 30 learners:142129323643411743313835322927233625222640284730244625444239 2.1 Complete The Following TableClass intervalsTallyFrequency1 – 10 11 – 20 21 – 30 31 – 40 41 – 50 Total 2.3Determine the mean of the class. 2.4In which percentage interval did the most learners fall. 2.5How many learners did not pass this test?

Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Answered: 2.3 Determine the mean of the class.…

Math

Probability

2.3 Determine the mean of the class. 2.4 In which percentage interval did the most learners fall.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: The following distribution represents the data for weights of grade 5 students. Find the approximate…

A: We have given that, Class interval frequency (f) 52.5- 55.5 9 55.5-58.5…

Q: Given the following data set that presents 30 test scores on an exam, find the position of the 63rd…

A: Percentile: The observations P1, P2, - - - P99 which divide the total number of observations into…

Q: Twenty-five randomly selected students were asked the number of movies they watched the previous…

A: The given dataset for 25 students is: Number of movies Frequency Cumulative frequency 0…

Q: 10a Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts…

A: Given data is, 65,89,105,101 weights are 22%, 32%, 17%, 29%

Q: The median of the data 26.9,31.5, 43.8, 53,68.2 is 26.9 O 31.5 68.2 O 53 43.8

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: that presents 30 test scores on an exam, find the 63rd percentile. State your result/answer as a…

A: Let X be the test scores on an exam. The given data is : 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56,…

Q: Weights (in lbs.) of 24 male children in the age group of 7 to 9 years are recorded. 55, 53, 64, 63,…

A: Given : The weights of 24 male children.

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The…

A: Given information: The descriptive statistics of the monthly sales of two models Hyundai and Toyota…

Q: Q. 8. Calculate the mean from the following data: Marks below : 10 20 30 40 50 No. of students : 15…

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: 95th percentile= 95*(n+1)/100th term

Q: A meteorologist records the high temperature for a particular day in various locations. The data is…

Q: Given the following data set that presents 30 test scores on an exam, find the position of the 63rd…

A: A partition value is a measure that divides the given data into equal parts. The types of partition…

Q: Given the following data set that presents 30 test scores on an exam, find the 73rd percentile.…

A: Given data, 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65.4, 64, 67.5, 66,…

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: 95th percentile= 95*(n+1)/100th term

Q: The side-by-side dotplot below displays the arm spans, in centimeters, for two classes. Which…

A: Stem and leaf is the graphical representation of the data. Here we divide the data into two parts…

Q: Calculate the 41th percentile of the data shown 2.7 21.8 29.3 36 45.6 49.3 53.7 57.1 63.7 68.3…

Q: The following data are the score of 24 students in Midterm Examination. Find the 67th percentile. If…

A: From given data we have :

Q: The number of students in the tutoring center was recorded for 24 randomly selected times. The data…

A: The formula of the class width is,

Q: The following data are the score of 24 students in Midterm Examination. Find the 4th decile. If…

A: Given that The following data are the score of 24 students in Midterm Examination. Data 49, 63,…

Q: DuPont Automotive is a major supplier of paint to the automotive industry. They conducted a survey…

A: Given that DuPont Automotive is a major supplier of paint to the automotive industry. They conducted…

Q: The table in the picture shows the frequency distribution of the scores of 50 students in stat. The…

Q: Calculate the 23th percentile of the data shown x 26.8 27.3 30.9 33 33.9 34.9 39.7 53.4 53.8 69.2

A: The provided information is as follows:26.827.330.93333.934.939.753.453.869.2The number of…

Q: Q1. If the following data represent student's grade in the statistics exam: 23, 25, 2, 18, 17, 22,…

A: We have to find median for given data..

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: Given data and calculation for mean and sample standard deviation is shown below

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: Given data, 34, 25, 29, 35, 22, 74, 23, 73 The objective is to find the mean number of birds to…

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: Answer:- N=30 Here, we need to sort the data in ascending order. 48…

Q: The number of social interactions of ten minutes or longer over a one-week period for a group of…

A: Given Calculate Mean, Median, Mode mid range the following grouped data

Q: 9. The principal at a local high school asked 100 randomly selected students how many minutes they…

A: 9) Statistic: The value which is calculated from the sample values is named as statistic. Parameter:…

Q: HISTOGRAM: 3. The following is the IQ scores for 40 randomly chosen fifth graders in 2012. 108 113…

A: Solution: The IQ scores for 40 randomly chosen fifth graders in 2012 are given. Part A Since the IQ…

Q: Given n = 15 Test scores in Emglish. 60,62,68, 70, 72, 74, 78,79, 82, 84,86 ৭০, १2, १५, १5. Find the…

A: A percentile is a score below which a given percentage of scores in its frequency distribution or a…

Q: Given the following data set that presents 30 test scores on an exam, find the median. State your…

A: Calculate Median from the following…

Q: Calculate the mean for the following distribution of numbers.Take your answer out to three…

A: Mean of the distribution: Mean=∑Xin

Q: The following histogram represents final exam grades for a math dass. Number of Students 0. 40 50 60…

A: Given data, 45 60 61 61 62 71 72 73 76 78 79 81 85 87 88 91 97 98.

Q: MPG Frequency 19 2 OA. The mean is approximately oreign cars is given in the following frequency…

A: Data given X Frequency 19 2 20 5 21 2 22 7 23 4 24 7 25 8 26 8 27 3 28 5 29…

Q: Imagine the data below are the GPAs for a sample of 60 sophomores at your university. Prepare a…

A: Given data is 3.08 1.81 3.63 2.52 2.97 3.48 1.00 2.70 2.95…

Q: Given the following data set that presents 30 test scores on an exam, find the 73rd percentile.…

A: Given data is appropriate for measures of central tendency . To find the 73rd percentile for the…

Q: Class Limits Frequency 86 - 90 6 91 - 95 22 96 - 100 45 101 - 105 22 106 - 110 5 a. Find the mean,…

Q: Weight (pounds) Contestant Race Time Standing in Prize Number Gender Grade (Seconds) Race Money…

A: Introduction - Mean or average = Sum of observations total number of observations

Q: 18 16 19 20 18 19 23 54 20 16 18 19 18 19 18 40 30 19 18 38

A: The given data is 18,16,19,20,18,19,23,54,20,16,18,19,18,19,18,40,30,19,18,38

Q: . Find median for the data given below: Marks Number of students Greater than 10 70 Greater than 20…

A: Solution is given:

Q: The number of cybercrime recorded by an Investigation Agency for a 14-day period is shown. Compute…

A: Arrange the given data in ascending order23, 39,42,42,44,46,49,50,51,55,56,62,65,66sample size(n)=14

Question

The following are Math marks out of 50 obtained in a Grade 9 class of 30 learners:

14	21	29	32	36	43	41	17	43	31
38	35	32	29	27	23	36	25	22	26
40	28	47	30	24	46	25	44	42	39

2.1 Complete The Following Table

Class intervals	Tally	Frequency
1 – 10
11 – 20
21 – 30
31 – 40
41 – 50
Total

2.3	Determine the mean of the class.
2.4	In which percentage interval did the most learners fall.
2.5	How many learners did not pass this test?

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 with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Find the five-number summary for the following data set. 8 2 8 8 7 5 8 6 4 1 Min Q1 Median Q3 Max
Hw.50.
Five people (Alex, Byron, Chloe, Dexter, and Emily) form a club, N = {A, B, C, D, E). Chloe and Emily are women, and the others are men. If they choose a president randomly, find the odds against Emily becoming president. The odds against Emily becoming president are to (Type whole numbers.)
Given the following data set that presents 30 test scores on an exam, find the 95th percentile. State your result/answer as a value with exactly two digits after the decimal 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65.4, 64, 67.5, 66, 69, 68, 71, 70, 73, 72, 75.2, 74, 92, 88
The following set of data represents the number of orders filled by a national-chain restaurant during a two week period. Construct a five number summary for the the data. 66, 75, 68, 89, 86, 73, 67, 75, 75, 82, 85, 74, 67, 61 (Round to the nearest hundredth, if needed). Min _________________ Lower Quartile _________________ Median __________________ Upper Quartile _________________ Maximum __________________ What is the range and the interquartile range (IQR)? Range __________________ Interquartile Range (IQR) ___________________
Complete the Frequency Distribution table for the following scores. Scores: 44, 28, 35, 40, 57, 30, 42, 39, 25, 30, 45, 32, 44, 54, 39, 26, 57, 33, 28, 42, 50, 25, 49, 32, 51, 43, 39, 28, 45, 28, 41, 57, 33, 28, 47, 33, 25 Frequency Distribution cf % cum% 55-57 25-27
Q2. The 30% trimmed mean of the following data (120, 15O, 170, 177, 178, 193, 198, 250, * :450, 955} is 186.5 O 182.5 O 188.3 183.5 O 184.5 O
Which one of the cumulative frequencies can be taken while calculating median of the grouped data? a. Succeeding cumulative frequency of the median class O b. Cumulative Frequency of the median class O c. Preceding cumulative frequency of the median class O d. Cumulative frequency is not considered in median
Given the following data set that presents 30 test scores on an exam, find the 63rd percentile. State your result/answer as a value with exactly two digits after the decimal 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65.4, 64, 67.5, 66, 69, 68, 71, 70, 73, 72, 75.2, 74, 92, 88
The following data have been collected from a sample of 8 items 10, 8, 12, 15, 13 ,11, 6 ,5 The point estimate of the population mean is 8 Select one- True False