Using the table: The modal class of 50the percentile is Score Frequency 6 5 3 40-45 35-39 30-34 25-29 O 40 - 45 O 35 - 59 O 30-34 O 25-29 4

Q: The upperclassmen at a high school were planning for the school's movie night. They surveyed 195…

A: Given that  Number of students in 11th grade preferred comedy = 81 Number of students preferred…

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 data set below represents the ages of 36 executives. Find the percentile that corresponds to an…

A:

Q: The data set below represents the test scores of 10 students: 799, 219, 897, 764, 866, 1556, 120,…

A: Percentile is a number where certain percentage of scores fall below that number.

Q: The stem and leaf display below represents the scores of a group of students in a test. The stem…

A: 1) From the given information, the frequency distribution table is Class Interval Frequency…

Q: McDonald’s Dinner Service Times Refer to the accompanying frequency distribution. What problem would…

A: The given classes of the frequency distribution are 60-120, 120-180, 180-240, 240-300, 300-360.

Q: Number   of Winter Vacation Days      Frequency    Cumulative Frequency    3 – 12 21   13 – 22 33…

A: The data is summarized in the table below. Number  of Winter Vacation Days      Frequency…

Q: What is the class width for this Frequency Distribution Table? Class width

A: Let X be the random variable that the no. of people entering the atrium. The frequency distribution…

Q: Find the 25th, 50th, and 75th percentile from the following list of 29 data 2 4 7 8 10 11 15 16 20…

A:

Q: A library took a survey to find the age distribution of 50 randomly selected new youth members. The…

A:

Q: What percentage of students who completed the test review passed the test?

A:

Q: In a survey, people were asked how many times per year they had their car in the shop for repairs.…

A: From the provided information, Shop Frequency 0 84 1 83 2 35 3 53

Q: Determine the speed corresponding to the 75th percentile.

A:

Q: A boxplot for a set of 60 scores is given below. T 5 6 8 10 11 12 13 DATA

A: Given: Box-Plot

Q: he data set below represents the ages of 30 executives. Which ages are above 75th ​percentile

A: Since , there are 30 observation are given. Our aim is to find the which ages are above the 75th…

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: Find the percentile for the data point.

A: Here given data set with 20 data points.Arrange them in ascending order to calculate percentile of…

Q: Find the lower and upper quartiles, 8h decile, 45th percentile, and the coefficient of skewness for…

A: Solution-: We have following table: Class Freq (fi) 30-50 15 50-70 12 70-90 19 90-110 14…

Q: What is the 70th percentile? Score f 25 2 23 4 21 3 19 5 17 3 15 2 12 1

A: Percentile : A k-th percentile (percentile score or centile) is a score below which a given…

Q: Find the 25th, 50th, and 75th percentile from the following list of 32 data 4 6 9 16 19 22 23 25 30…

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

Q: Draw both a Histogram and a Frequency Polygon to illustrate the following distribution of IQ scores:…

A: Given Information:

Q: The weights (in pounds) of 19 preschool children are 43, 25, 22, 39, 35, 42,

A:

Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

A:

Q: The Data Represents the ages of 40 women when they each had a boyfriend. Construct a grouped…

A: Given data is

Q: Find the 74th percentile, P74, from the following data 7 10 20 25 27 29 30 38 41 45 51 52 56 57 65…

A: Given data is…

Q: Frequency of Guests 100 - 109 60 110 119 75 120 - 129 130 - 139 140 - 149 14 What is the class…

A:

Q: ider the following frequency distribution: Score Freq 7 18 6 77 5 20 4 7 3 3 2 1 1 3…

A:

Q: Find the 74th percentile, P74, from the following data 2 7 12 14 18 19 25 27 30 33 35 38 41 44 45…

A:

Q: Find the 25th, 50th, and 75th percentile from the following list of 23 data

A: The formula for the percentile is, Percentile score=kn+1100 The 25th percentile is, 25th Percentile…

Q: 50 psychology students took a standardized test. The scores are summarized in the GFDT below. Scores…

A: The given table shows that the total number of psychology students took a test is 50.

Q: Scores of 5 students before and after a special coaching program are given as follows. (Check image)…

A:

Q: Students in an experimental psychology class did research on depression as a sign of stress. A test…

A: We have given a sample of 30 students.43 51 11 90 77 36 64 37 42 72 54 62 36 75 51 72 37 28 38 61 47…