The following table presents the scores of students in Statistics examination Scores Frequency 30-39 40-49 6. 50 - 59 60 - 69 60 140 70-79 184 80 - 89 90 - 99 135 78 How many students are below the 80th percentile? Select the correct response: 208 392 184 O 527

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A: Given:

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A: a) Grouped frequency distribution: In general, IQ scores are grouped as shown below:

Q: Consider the following dataset:      8   10   12   17   29   29   44   52   52    61    65    68…

A:

Q: The numbers represent the scores (in points) for a sample of 10 basketball games: 45…

A: Sample number of games n = 10 We have to calculate the percentile corresponding to 53 points scored.

Q: The data set below represents the ages of 30 executives. which ages are above the 75th percentile?…

A: Arrange the given data in ascending order28 , 36 ,37,  40 , 41 , 41 , 41 , 43 , 43 , 43 , 44 , 46 ,…

Q: The following table gives the ages, in years, of a sample of 25 people. Use the table to find the…

A: Given data: Sample size  (f) = 25 To find: Mean = ??

Q: 3. The average quantitative GRE scores for the top 30 graduate schools of engineering are listed…

A: Here Given data for GRE Score of Top 30 Graduate school of Engineering we will take class Width =10

Q: The following set of data shows the scores of 25 students in a 100-item test in Philosophy. 46 64 72…

A: c) Here, x x-x (x-x)2 46 -28 784 49 -25 625 53 -21 441 60 -14 196 61 -13 169 64 -10…

Q: The data set below represents the ages of 30 executives. Which ages are above the 75th percentile?…

A: Given data set…

Q: In 2006, the General Social Survey asked 1,935 respondents whether or not they believed abortion…

A: The probability that who responded no to the abortion (21-30) = (number of people who said no) of…

Q: The following data give the numbers of computer keyboards assembled at the Twentieth Century…

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

Q: The list below shows the marks for 20 students on a recent test out of 42. 40 28 28 30 20 25 38 40…

A: Given data: 40,28,28,30,20,25,38,40,26,10,36,25,42,21,34,37,30,23,24,36   Arrange in ascending order…

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 4…

A: Mean: The mean is the sum of observations divided by the number of observations. that is, The…

Q: The following table gives the number of family members of a sample of employees in a company: Number…

A: Given frequency distribution of no. of family members  No. of family members no. of employees…

Q: The following table presents the scores of students in Statistics examination Scores Frequency 30-39…

A: Ans - Given data, Class Frequency 30 - 39 2 40 - 49 6 50 - 59 60 60 - 69 140 70 - 79…

Q: The data set below represents the ages of 30 executives. Which ages are above the 75th percentile?…

A: Given data…

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 4…

A: Then the mean test score is 5.9474.

Q: The following frequency distribution table shows the weights of 36 students in a certain Math 1…

A:

Q: The following table presents the scores of students in Statistics examination Scores Frequency 30-39…

A: Obtain the value of the standard deviation of the scores. The value of the standard deviation of the…

Q: Find the 24th percentile, P24, from the following data 4 5 6 10 11 15 16 19 20 24 26 34 37 39 41 43…

A: Consider the given data. Let k='k'th percentile=24 i=Index ranking or position n=Total number of…

Q: Data on mental ability of a third-year high school class were recorded and are given as follows: 85…

A:

Q: The table to the right shows selected ages of licensed drivers in one country and the corresponding…

A: Given data: The table shows the selected ages of licensed drivers and their corresponding…

Q: Find the 94th percentile, P94, from the following data 1 2 3 5 9 11 16 23 24 28 30 31 33 34 38 39…

A: Arrange the given data in an ascending order.…

Q: A random sample of employees participating in a company fitness program were asked how many days…

A:

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

A:

Q: The following scores represent the final examination grade for an elementary statistics course: 23…

A: e) First arrange the given data in the ascending order. 10, 15, 17, 23, 25, 32, 34 36, 41, 41, 43,…

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

A: Test Score(x) Frequency(f) x*f 3 2 6 4 2 8 5 1 5 6 5 30 7 2 14 8 1 8 9 0 0 10 1 10…

Q: The following data were collected in a survey of 8th graders and summarize their cell phone status.…

A:

Q: The following table presents the scores of students in Statistics examination Frequency 2. Scores…

A: Solution

Q: The following dataset represents the number of passengers getting on the subway for 36 subway stops,…

A: Given data,…

Q: . Consider three groups of employees who are exposed to three different methods of managing…

A: For Group A : XXA XA2 75 5625 80 6400 95 9025 80 6400 85 7225 Sum = 415 Sum = 34675…

Q: 2. The lengths (in feet) of a random sample of suspension bridges in the United States, Europe, and…

A:

Q: The data set below represents the ages of 30 executives. Which ages are above the 75th percentile?…

A: Given: N= 30  To find the percentile first we arrange the given data in ascending order as   28…

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: The given table shows the scores of representative students of three sections in a Science exam. А:…

A: The null and alternative hypothesis is as follows: Null hypothesis: H0:µ1 = µ2 = µ3 That is, the…

Q: The IQ scores for a sample of 24 students who are entering their first year of high school are: 115…

A: a) It is saying that classes of seven points starting with 96 − 102, so Class Frequency…

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

A: As per our guidelines we are suppose to answer first question.

Q: The following data gives the scores of 13 students in a Biostatistics exam. 75 80 28 70 95 82 75 64…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The following distribution shows the scores of 50 students in a 200-item test in statistics. SCORES…

A:

Q: The following table shows the heights, in inches, of the players on the opening-night roster of the…

A: Number of samples (n) = 13 X X2 84 7056 80 6400 87 7569 75 5625 77 5929 79 6241 80…

Q: The following table provides the frequency distributions of Vehicles prices sold Last month for a…

A: Note: Since you have posted multiple independent questions in the same request we will solve the…

Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 1…

A:

Q: The following frequency distribution presents the weights in pounds (lb) of a sample of  visitors to…

A: Class width: The class width is the distance between the lower limits of the consecutive classes or…

Q: 1. Consider the scores of 30 students in an English class. 88 73 62 53 74 84 78 81 86 81 85 78 72 73…

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A: Data for the samples of 42 cities given We have to find regression analysis.

Q: The following data gives the highest points scored by a player in a given year from 2000 to 2009:…

A:

Q: A sample of 338 students at a university is surveyed. The students are classified according to…

A: relative frequency

Q: 2. Construct an Ungrouped Frequency on the data below. Attitudes Racial or Ethnic Group Marital…

A: Given Information:

Q: Find the 64th percentile, P64, from the following data 3 12 15 31 36 47 48 50 2 18 21 23 40 44 55 56…

A: Given data: 2,3,12,15,18,21,23,31,36,40,44,47,48,50,55,56,59,60,69,75,81,82,86,88,90,92,93,94,96

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

A: