The table below shows the distribution of marks scored by 500 students in their oral test in Music. Compute the 3 quartiles. Scores (x) Number of Students 91-100 9. 81- 90 17 71-80 63 61-70 65 51-60 86 41-50 112 31-40 68 21-30 55 11-20 17 1-10 8.

Q: Compute for the mean, the median, and the mode of each set of ungrouped data. Scores in English Test…

A: Scores Frequency 16-20 2 21-25 7 26-30 14 31-35 8 36-40 8 41-45 1

Q: 75th percentiles of the data set, 8, 3, 9, 10, 12,17, 15 is ___ 8 15 3 17

A: Arranging Observations in the ascending order, We get :3,8,9,10,12,15,17 Here n = 7

Q: The following data represent the grades of 50 students in the Statistics course, place these data in…

A: To Calculate such parameters we can use Excel. It is the easiest way to find these Statistics…

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: 2. The data below summarizes marks on a test (out of 20) for a class of 33 students. Estimate the…

A: Answer:- Given, total frequency= 33  So, the frequency of the various classes is ,  Classes  mid…

Q: he average (mean) aptitude score? The median aptitude score?

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: Test scores for a college statistics class on a certain day are as follows: 99, 56, 78, 55.5, 32 90,…

A:

Q: Researchers want to know which food chain makes people the happiest. Researchers randomly assign…

A: For the given data, we need to compute the F-statistic.

Q: The serum cholesterol levels (in 206, 225, 252, 213, 220, 196, 189, 228, 259, 254, 240, 211, 247,…

A: Arranging observations in the ascending order, we get…

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

A:

Q: Data was collected for 225 randomly selected 10-minute intervals. For each ten-minute interval, the…

A: The frequency distribution of the number of guests is given as follows:Number of…

Q: The time it takes for an airline to get the luggage to the airport baggage carousel after a flight…

A: Let X: The time takes for the luggage to reach the airport baggage carousel.X has a uniform…

Q: The grades for 20 students on the most recent exam are given in the data table below. Round your…

A: Given that;  total number of students is                 n= 20. Formula used;  Mean = sum of total…

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

A:

Q: Here are the scores of 12 students on an algebra test. 62, 63, 64, 64, 67, 68, 69, 70, 72, 73, 74,…

A: It is given that the data set62, 63, 64, 64, 67, 68, 69, 70, 72, 73, 74, 86.

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: Scores 51-58 59-66 67-74 Class Mark, A 54.5 62.5 70.5 Frequency, 3 7 15

A: The given data is; Scores Class Mark, x Frequency, f 51-58 54.5 3 59-66 62.5 7 67-74 70.5…

Q: The table below shows the number of i employees within a small construction company classified…

A:

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A:

Q: The table below shows the mean price (£) and the amount of vehicles sold in January 2020 for…

A: the correct overall mean price for the cars sold in 2020 is  £40,510.22Explanation:Step 1:To compute…

Q: I have the final exam scores of a Stats class, they are: 85, 82, 81, 83, 89, 96, 70, 71, 52, 30,…

A: The provided data set is: 85 82 81 83 89 96 70 71 52 30…

Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

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

A:

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A: Solution

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

A:

Q: The data represent the number of days off per year for a sample of individuals selected from ten…

A:

Q: - -: 14 Calculate the mean diviation (from mean) from the following data: 60-70 Marks :0-10 10-20…

A:

Q: A sample of nine tourists indicated how much they spent on accommodation per night (in dollars) at a…

A: The given data is as follows:313.6, 151.6, 598.5, 222.7, 293.9, 272.6, 198.5, 382.0, 188.7

Q: identify the Cummulative Frequency Distribution  Scores               Number of Students    50-59…

A: Cumulative frequency: Cumulative frequencies are obtained by adding each frequency from a frequency…

Q: Assume the data are minutes too late to statistics class of five consecutive days. X  12 23 15…

A:

Q: The data below represents the mean score of students who did the commerce examination at five…

A: Given mean scores for 5 schools are: Number of students (n) Mean score (x) Total score of all…

Q: . The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93,…

A: The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93, 94,…

Q: Here are the reading scores (out of 60) of 20 randomly selected kindergarten kids in a district 34,…

A: Answer:- Given data in ascending order,  15, 26, 27, 29, 31, 32, 34, 35, 36, 38, 39, 39, 41, 42, 43,…

Q: Secretary of State Roxana Tillerson is worried about malpractice at the 4 processing centers for…

A: Answer:-  The objective is to decide whether or not to initiate a deeper investigation into…

Q: ne difference in the mean and median indicate ne difference in the mean and median indicate

A: Given: Median = 8000 Mean = 69000

Q: Data was collected for 322 randomly selected 10 minute intervals. For each ten-minute interval, the…

A: The formula of the class width is,The width of the class is,where,L denotes the largest observationS…

Q: Weights of 9 students (in lbs) before and after a month-long training schedule are given below. Test…

A: Given: Pre x Post y 124 133 152 145 129 131 144 150 150 164 152 132 138 130 161…

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

A:

Q: What is the highest relative score earned on a test?

A:

Q: The students in the HS3333 course recently took an exam and these were the scores:   76, 88, 67,…

A: Given that,76 88 67 80 44 65 50 98 55 45 23 44 65 78 66 56 89 76 87 29Arrange the data into…