Suppose that Sacramento workers have a mean commute of 17 minutes and commute times are normally distributed with a standard deviation of 12 minutes. Let X represent the commute time for a randomly selected Sacramento worker. Find the 75th place. percentile for the commute time of Sacramento workers. Round your answer to 1 decimal The 75th percentile is minutes.

Q: Researchers looked at the average number of hours of sleep per day in a group of 8 college…

A: Given data set is X={6,6,5,7,5,4,8,5}Arrange the data set in ascending order4, 5, 5, 5, 6, 6, 7,…

Q: Find the mean for the given data set, 24,11,32,16,18

A: Answer: From the given data set, 24,11,32,16,18 Sample size(n) = 5

Q: Amy is a pharmacology researcher studying the efficacy of a drug on groups of people based on their…

A: Statement 1 is incorrect since they have less tilted line than the moderate group. Statement 2 is…

Q: Find the variance for this data set of salaries 30, 34, 52, 48, 25, 36, 27 Round the…

A: The mean of the sample data can be obtained as:

Q: The following histogram presents the distribution of the exam scores for a group of engineering…

A: a) The probability below 130 is: 0.02+0.02+0.08+0.1+0.13+0.17+0.14+0.11=0.77=77% approximately.  So…

Q: V. Use the given data to answer item numbers 26 to 29. 4, 4, 5, 6, 9, 9, 9, 12, 13, 14, 14 26. The…

A: Solution:.                                    Date:9-5-2022  The give data is…

Q: Find the mean for the given data set 34,56,48,58,12,39,27,49,33,36

A: 34,56,48,58,12,39,27,49,33,36

Q: Give a data values :8,5,2,5,3,11,7,2,8,8,3 then A. Construct frequency distribution table calculat…

A: we are suppose to answer three sub parts .

Q: Find the range for the given data,  18,23,17,45,19,37,46,22,43,10

A: We have given the following data set- 18,23,17,45,19,37,46,22,43,10 We have to find the range of the…

Q: Find the 75th percentile (that is third quartile) for the given data. 1, 2, 4, 6, 8, 9, 11, 15, 19,…

A:

Q: Take 50 observations at random ranged from (117- 254). Make a grouped frequency distribution. Find…

A: We need to take a 50 observations at random ranged from (117-254). For this we can use…

Q: find 30th percentile for data 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

A: Given 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

Q: Find the 83rd percentile of the following data set. 87, 90, 83, 78, 95, 82, 86, 84, 88, 88, 93, 95,…

A: Given, The data set is 87, 90, 83, 78, 95, 82, 86, 84, 88, 88, 93, 95, 82, 89, 88, 83         To…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: Use EXCEL Procedure for finding the values of range, standard deviation and variance.   Follow the…

Q: find 1st percentile for given data  12,1585,63,95,75,45,26,9,75,25,15,49

A:

Q: A pet store has 7 cats. Here are their weights (in pounds). 15, 15, 6, 8, 15, 11, 12 Send data to…

A: Given data set: 15,15,6,8,15,11,12 Total number of observations = 7

Q: A set of 100 values has a median value of 40. What is the value of the 75th percentile in this set…

A: Introduction: Percentiles are used in statistics to divide a set of numerical values into 100 equal…

Q: find out the 89th percentile for given data  78,78,98,45,87,36,5,2,3,7,7

A: We have to find the 89th percentile for given data.  First  arrange the given data in ascending…

Q: Take 50 observations at random ranged from (117- 254). Make a grouped frequency distribution. Find…

A: We draw a 50 random numbers between 117 to 254 using command #RANDBETWEEN() in excel. 195 158…

Q: On a survey, 8 students reported how many minutes it takes them to travel to school. Here are their…

A:

Q: A group of children were asked how many hours a day they spend watching T.V. The table shows their…

A: Formula Used: Mid-value X = Lower limit + Upper limit2 Mean = ∑FXn Median = L + n2-CFF×h Median…

Q: On a survey, 6 students reported how many minutes it takes them to travel to school. Here are their…

A: Given data is ,3,7,9,16,12,15sample size (n)=6

Q: from the given ungrouped data: 53, 45, 59, 48, 54, 46, 51, 58, 55 Find the mean, median, and mode.

A: From the given data, it can be seen that the total number of data points, n=9

Q: Find the mean for the given data set, 34,56,79,25,68

A: Answer: From the given data, 34,56,79,25,68 Sample size(n) = 5

Q: 40 Me Ste N 30- 20 10- -10 10 20 30 Years of Service Frequency

A: Histogram is a graphical representation which indicates the frequency of specified ranges of…

Q: for the data set a = [3,7,2,4,8,4,1,3] find the first three moments by direct calculation (not a…

A: Given the data set a=3,7,2,4,8,4,1,3 y0<x<2=4-2xyx<0, x>2=0

Q: 1. (12pt) A researcher is studying hospital cleanliness comparing carpeted rooms with uncarpeted…

A: There are two independent samples which are carpeted rooms and uncarpeted rooms. We have to test…

Q: find 2nd percentile for given data 12,15,6,3,7,9,8,4,14,19,18,16,13,15,14,12,15,5

A:

Q: find 4th deciles for given data  12,15,14,2,6,32,25,6,85,75,62,96,35,14,26,35,28,65,8

A:

Q: Here is a data set. 0,1,1,2,3,5,8,13 Use the table method and find the standard deviation.

A: Given numbers 0,1,1,2,3,5,8,13

Q: 10 297002 s sall.m 3. Find the mean, variance and standard variation (Do not use calculator 1, 2, 3,…

A: 1, 2, 3, 4, 6, 8, 12 Sample size n =7

Q: find 3rd percentile for given data 12,13,20,16,5,4,6,9,7,14,16,18,19,16,25,15,14,5

A:

Q: Find the range of the following dataset.

A: The given data set in ascending order (sorted) is :-3,7,9,16,21,23,29,34,35,46We have to find the…

Q: Find the mean and median for the grouped data.

A: The mean and median are the types of average. Mean is the mathematical average and median is the…

Q: Find the mean, standard deviations and range for the given data set, 45,78,99,85,42,30,12,65,42,29

A: 45,78,99,85,42,30,12,65,42,29

Q: teacher

A:

Q: Find the mid range of the dataset 6,87,34,2,54,22.

A: The given data set arranged in ascending order (sorted) is:-2,6,22,34,54,87.We need to find the mid…

Q: Find the mean for the given data, 26,34,56,44,78,97,17,38,57,38

A: Answer: Given data is, 26,34,56,44,78,97,17,38,57,38 Sample size (n) = 10

Q: Find the mean for the given data set, 33,46,79,26,85

A: Answer: From the given data, 33,46,79,26,85 Sample size(n) = 5

Q: Find the range for the given data, 55,13,17,35,22,56,78,15,19,67

A: Answer: From the given data, 55,13,17,35,22,56,78,15,19,67 First arrange the ascending order,…

Q: A data set {19, 5х, 14, 8, Зх, 29} has a mean of 25. Find the median of the data

A: Find the median of the data set.

Q: Compare the mean and the median of a data set that has a symmetrical distribution

A: Mean: The arithmetic mean (also called the mean) is the most commonly used measure of central…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.