Professor obtained the following set of scores from a 10-point quiz for a class of 26 students:{8, 5, 4, 5, 5, 7, 6, 4, 3, 4, 5, 6, 6, 4, 5, 5, 10, 6, 9, 5, 7, 8, 2, 6, 7, 4}. What is the percent frequency of students who scored an 8 out of 10? (rounded to the nearest whole percent

Professor obtained the following set of scores from a 10-point quiz for a class of 26 students:{8, 5, 4, 5, 5, 7, 6, 4, 3, 4, 5, 6, 6, 4, 5, 5, 10, 6, 9, 5, 7, 8, 2, 6, 7, 4}. What is the percent frequency of students who scored an 8 out of 10? (rounded to the nearest whole percent

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

See similar textbooks

Related questions

Q: Out of the numbers listed below, what number is in the 90th percentile? what percentile is 52,598?

A: From the given information, the total number of numbers in the given list is observed to be 15. Now…

Q: A survey of 64 families yields the following data for the number of children per family. 1 2 3 4 5 1…

A: To find: The proportion of the families have fewer than 3 children. The given data for 64 families:…

Q: Calculate the 40th percentile for the following set of data: 1, 5, 8, 9, 11, 13, 14, 14, 15, 16,…

A: For the given data Calculate the 40th percentile

Q: 8. The following are exam marks in (%): 71, 9O, 63, 54, 68, 85, 42, 77, 60, 74, 56, 50, 82, 94, 70.…

Q: Classify the following scores in class interval 0- 9, 10 - 19, 29, .etc. Compute the model value of…

A: Given : Given : 24 12 37 49 30 6 28 10 13 18 12 19 2 33 4 25…

Q: what is the first, second, third quartile, and the outlier of 15, 29, 30, 34,35, 36, 37, 37, 37, 40,…

A: We are given the below data:15, 29, 30, 34,35, 36, 37, 37, 37, 40, 42, 42, 44, 44, 45, 46, 49, 51,…

Q: Below are exam scores from a statistics class with 25 students: 100, 88, 90, 72, 76, 64, 68, 60, 78,…

A: From the provided information, Sample size (n) = 25 The number of students who scored above a 60 is…

Q: Find the median and mode of the following marks(out of 10) obtained by 20 students: 4, 6, 5, 9, 3,…

A: To find median and mode of the following marks obtained by 20 students .

Q: a frequency table of grades had five classes (A,B,C,D,E,F) with frequencies of of 2,13,13,5 and 2…

Q: The following are ages of 18 of the signers of the Declaration of Independence. 35, 33, 40, 30, 45,…

A: Calculate 25th and 60th percentiles from the following…

Q: a. Out of a random sample of 74 birds, how.many would you expect to live longer than 9 years? b.…

A: Let X = number of years a bird lives. Then, X ~ Exponential (0.125) Thus, f(x) = 0.125e-0.125x .

Q: LIst out the scores in numerical order and calculate all the desired percentiles: 35, 44, 46, 47,…

A: “Percentile” is a number where a certain percentage of scores fall below that number. The…

Q: What is the relative frequency of the class 70.0 - 71.4?

A: The relative frequency is defined as Relative frequency = Frequency/Total

Q: Previously, an organization reported that teenagers spend 12.5 hours per week, on average, on the…

A: Note: " Since you have asked multiple sub-parts, we will solve the first three sub-parts for you. If…

Q: Calculate the mean, median and standard deviation of these five numbers: 7, 19, 5, 12, 3

A: Mean: For a set of n observations, x1, x2, ... , xn, mean is defined as,…

Q: Find the mean. Round to two decimal places. 4,-2,7,7, -1, 3, 1, 6, 3, 1, 11, 3, 6, 3, 4, 5,4, 3, 7,…

A: Mean value for a dataset is computed by dividing the sum of the observations by the total number of…

Q: "A survey of elementary students at a local school tried to determine the average age of children…

A: Given: A survey of elementary students at a local school tried to determine the average age of…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 48, 15, 25 Round your…

A: We have to find the standard error of the mean.

Q: In a batch of 15 students, 3 students failed in an examination. The marks of passed 12 students were…

Q: Find the 5th and 95th percentiles for average temperatures from a group of 106 people using the…

A: The pth percentile of a set of observations is the value below which, p% or (p/100) proportion of…

Q: In a statistic class, 10 scorea were randomly selected with the following results were…

Q: The table on the right table s of adults (from many sample

A: According to the sum, A table is given of the probability distribution of the number of adults who…

Q: Find the interval containing the middle-most 34% of sample means:

A: Let X denote the distribution of values and x¯ be the sample means of the samples of size n=15.…

Q: Find the standard deviation, coefficient of variation, and the 88.9% Chebyshev interval. numbers-…

A: The mean of the given data is X¯=14+45+54+.........19+3920=71020=35.5 Now the standard deviation is…

Q: A Frequency table of grades has five classes (A, B, C, D, F) with frequencies of 4, 15, 16, 4 and 1…

A: It is an important part of statistics. It is widely used.

Q: 4. Out of 450 randomly selected people in a soccer match, 225 of them were students. Compute the…

A: 450 people are selected randomly; n=450 225 of them were students; x=225

Q: The number of hours of computer usage in a day of a random sample of 12 students was recorded as…

Q: Find the 90th percentile.

A: It is very useful in statistics . It is highly used nowadays .

Q: The following are the scores of 10 students in a Mathematics quiz. 16, 24, 38, 36, 24, 28, 30, 18,…

A: Mode of a given data : The value occurring most frequently in a set of observations is its mode. In…

Q: Give two sets of five numbers that have the same mean but different standard deviations. Set 1: 4,…

A: (1) Give two sets of five numbers that have the same mean but different standard deviations: Mean is…

Q: Find the standard deviation for the set of numbers. 10, 14, 10, 11, 5, 10, 5, 17, 12, 19

Q: Construct frequency distribution table based on the scores of 75 randomly selected students.

A: A frequency distribution of a data variable is a summary of occurrence in a collection of non-…

Q: The following are the scores of 10 students in a 50-item quiz. 42, 38, 33, 46, 42, 40, 38, 36,…

A: Given Score of 10 students Xi: 42, 38, 33, 46, 42, 40, 38, 36, 45,43 To find mean score of…

Q: NebNas manages the credit department for a grocery store chain in the province, and she would like…

A: From the given information, n=100x¯=101.5s=25.6μ=95 Given claim is the mean balance is different…

Q: 10 Students in Statistical Analysis of 27 students receives assessment grades of 90, 87, 99, 79,…

A: Given data is 90,87,99,79,89,87,90,90,91,92sample size(n)=10let "x" denoted given data…

Q: Find median for the ages of seven preschool children. 1,3,4,2,3,5 and 1

A: 1. Median: If the sample size is odd, the median value position is n+12. The ascending order of the…

Q: Which of the following groups of scores exhibits the least variability? 2, 4, 6, 8, 10, 12 2, 3,…

A: Enter the data in excel as shown below

Q: 2. On a placement examination, August scored lower than 1210 of 12,860 students who took the exam.…

A: Given information: On a placement examination, 12860 students appeared. Among these 12860 students,…

Q: A frequency table of grades has five classes (A, B, C, D, F) with frequencies of respectively…

A: The relative frequency of the five classes is obtained below:The formula for the relative frequency…

Q: Previously, an organization reported that teenagers spend 12.5 hours per week, on average, on the…

A: t-test: If the given sample size is less than or equal to 30 then that is a small sample test.…

Q: The numbers of incorrect answers on a true-false test for 15 students were recorded as follows: 2,…

Q: Below are exam scores from a statistics class with 25 students: 100, 88, 90, 72, 76, 64, 68, 60, 78,…

Q: In a batch of 10 students, the marks obtained by them in a test of statistics are as follows. 7, 8,…

Q: Find the standard deviation for the set of numbers. 5, 11, 9, 20, 19, 7,7, 11, 17

A: Standard deviation :σ=1N∑i=1Nxi-μ2whereμ=MeanN=count of numbers∑x=sum of numbers

Q: A coin is flipped 70 times and lands on tails 28 times. What is the relative frequency of the coin…

Q: In my survey I asked how many people they have dated in their lives and I gave them a choice of 0,…

A: Generally there will be less people who have dated more than 7 people in their lives. Most of…

Q: Assume that blood pressure readings are normally distributed with μ= 124 and σ= 9. A researcher…

A: Given that Blood pressure readings are normally distributed with Mean (μ) = 124 Standard deviation…

Q: In a statistics class, 10 scores were randomly selected, and the following results were obtained:…

A: From the provided information, The data values are 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 Sample…

Q: y was carried out in 30 households in which they were asked the number of people who habitually live…

A: The table that shows the sum is shown below: x 4 4 1 3 5 3 2 4 1 6 2…

Q: Consider a sample with data values of 26, 24, 22, 18, 32, 34, 29, and 24. Compute the percentiles…

A: Percentile: It is a measure that indicates the value of percentile below which the given percentage…

Question

A Professor obtained the following set of scores from a 10-point quiz for a class of 26 students:{8, 5, 4, 5, 5, 7, 6, 4, 3, 4, 5, 6, 6, 4, 5, 5, 10, 6, 9, 5, 7, 8, 2, 6, 7, 4}. What is the percent frequency of students who scored an 8 out of 10? (rounded to the nearest whole percent)

Expert Solution