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

A:

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: 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: 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: 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: 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: 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 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…

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.