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 76 63 68 82 85 72 74 73 62 65 60 88 71 85 84 - 57 Determine also the 75th, 50th, and 24th percentile. Interpret the results. a.

Q: Here is a set of sample data. 63 48 79 10 87 24 50 47 57 81 89 94 59 86 44 29 76 61 Base on the data…

A: The data in the ascending order is 1, 10, 24, 29, 44, 47, 48, 50, 57, 59, 61, 63, 72, 76, 79, 81,…

Q: Find the 54th percentile, P54, from the following data 12 14 18 33 40 41 47 43 45 46 54 64 68 76 78…

A: 3,12,14,17,18,30,33,39,40,41,43,45,46,47,49,54,57,64,68,76,78,80,85,89,96

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 commute times (in minutes) of 30 employees are listed below 31 41 45 48 52 55 56 55 63 65 67 67…

A: The given data is as follows: 31 41 45 48 52 55 56 55 63 65 67 67 69…

Q: The following are final grades (in terms of percentages) from a class of 20 students. 70 75 70 84 90…

A: Given,sample size (n)=20mean(x¯)=∑i xin

Q: 1. We are interested in determining if absences from a class affect your overall class grade. The…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: The average number of minutes that a sample Time Spent Using a Cell Phone (minutes) 27 25 45 19 55…

A: Sr.No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Data value 10 14 15 15 16 19 25 25 26 27…

Q: The following are final grades (in terms of percentages) from a class of 20 students. 70 2 75 70 84…

A:

Q: 1. Determine the Mean, Median, and Mode of the height in inches of the 30 basketball players. 81 84…

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: Find the 84th percentile, Pg4, from the following data 3 5 10 13 14 15 16 18 19 24 29 30 49 51 53 55…

A: We have the following data.

Q: The following are final grades (in terms of percentages) from a class of 20 students. 75 70 84 90 92…

A:

Q: In a comparison of the effectiveness of distance learning with traditional classroom instruction, 12…

A:

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

A: Solution

Q: Find the 84th percentile, Pe4, from the following data 2 3 6 10 13 16 27 29 25 21 22 30 31 34 40 44…

A: Given data, Number of observations = 30. Percentile formula: i=k100n+1

Q: A statistics class with 60 students were given an examination and the results are shown below. 88 47…

A: First we arrange the data set in ascending order so it would be easy to count the frequencies for…

Q: What is the relationship between the attendance at a major league ball game and the total number of…

A:

Q: 3. Find the 42nd and 87th percentile for following data that shows the number of worms found under…

A:

Q: The director of library services at a college did a survey of types of books (by subject) in the…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Find the 84th percentile, P84, from the following data 1 3 4 5 6 17 20 22 24 32 33 34 36 37 38 49…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 14. FILE The food services division of Cedar River Amusement Park Inc. is studying the amount of…

A: Frequency distribution - Frequency distribution is a recorded series of values with counts of either…

Q: A sample of 9 students had the following result (measured in percent) on the exam in mathematics:…

A: Given that, Sample size = n = 9 students Population mean = µ = 57.9% Population standard deviation…

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

A:

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

A: We want to find the number of students are below 80th percentile

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: The test scores of 15 students are listed below. Find the 25th percentile of students' test scores.…

A: Given information- We have given the test score of 15 students listed below. 40, 45, 50, 56, 58, 63,…

Q: The table below shows the number of one​ company's stores located in each of 50 regions. Complete…

A: Population mean is: Population standard deviation for given data is: Where, N = population size =…

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

A:

Q: chology class experiment scored the following on an IQ test.  95 107 110 101 122 96 94 104 131 90…

A:

Q: The following table shows data collected from a sample consisting of children and adults, who…

A: Given data,   what is the proportion of people that water rides are their favorite

Q: A sample of 342 students at a university is surveyed. The students are classified according to…

A:

Q: which of the following groups of scores exhibits the least variability? A. 2,4,6,8,10,12 B.…

A: Enter the data in excel as shown below:

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

A: Given data,…

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

A: This is a one way ANOVA problem. H0: There is no difference in mean science examination score of the…

Q: 4. The top ten state populations, in millions, according to the 2010 Census, are shown in the table…

A:

Q: A researcher is interested in investigating whether religious affiliation and the brand of sneakers…

A: To investigate the association between religion affiliation and the brand of sneakers that people…

Q: The following data represents the number of rooms in a random sample of U.S. housing units. Rooms…

A: Rooms Frequency One 5 Two 11 Three 88 Four 183 Five 230 Six 204 Seven 123 Eight or…

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 test scores of 15 students are listed below. Identify potential outliers, if any, for the given…

A: Use EXCEL Procedure to obtain the value of first quartile.   Follow the instruction to obtain the…

Q: 1. The following list of scores came from a Mathema the mean, median, and mode. 23 35 20 67 55 81 70…

A: The marks obtained by the 30 students of the class is,23, 35, 20, 65, 79, 88, 67, 55, 81, 100, 100,…

Q: 4. The top ten state populations, in millions, according to the 2010 Census, are shown in the table…

A: From the given table, we need to find Percentile  and Percentile Rank.

Q: s the ages of 36 executives. Find the percentile that corresponds to an age of 62 years old. 29 31…

A: Percentile formulae: Percentile = (Number of Values Below “x” / Total Number of Values) × 100

Q: The scores on a standardized test are reported by the testing agency to have a mean of 70. Based on…

A: Solution: State the hypotheses. Null hypothesis: That is, the mean score is not much higher than…

Q: The data represent the ages of our Presidents at the time they were first inaugurated. 57 61 57 57…

A: Population: A population is the collection of all possible events for an experiment. Sample: A…

Q: The scores on a standardized test are reported by the testing agency to have a mean of 70. Based on…

A: Given, The 50 randomly selected students.

Q: Calculate the 40th percentile of the data set shown 3.3 8.1 16.5 23.4 25.6 26.6 27.6 28.5 29.8 5.

A: Arrange the data in an ascending order. 3.3,5,8.1,16.5,23.4,25.6,26.6,27.6,28.5,29.8 Here, sample…

Q: The following is a list of scores resulting from a spelling examination administered to 30 students.…

A: 1. The sample size is n=30. we need to compute the first quartile Q1 based on the data provided.…

Q: The data below represents the lower blood pressure for people in our class. 88 76 96 114 65 84 86 91…

A:

Q: The following are (fictional) McDonald's service times (in seconds) for a random sample of…

A: Solution-: Given data: 98,  117,  45,  103,  75,  65,  129,  93,  109,  84,  56,  118 We want to…

Q: 4. The following are the heights of a father and his eldest son, in inches: Height of the father…

A: Given that: Height of Father 71 69 67 68 68 66 70 72 65 60 Height of Son 71 69 69 65 66 63 68…