70 - 79 1 60 - 69 2 50 - 59 40 - 49 6. 30 - 39 4 20 - 29 1 10 - 19 1

Q: The frequency distribution shown in the following table lists the number of hours per day a randomly…

A:

Q: Find each of the requested values for the distribution shown in the following table. (d) What is…

A: Given data is appropriate for measures of dispersion to find the percentile for the given data . But…

Q: Find the 14th percentile, P14, from the following data 1 2 3 6 10 11 12 13 15 18 20 21 22 24 26 30…

A: To calculate- the 14th percentile of the given data

Q: Consider the results of a Statistics final exam taken by 100 students, as given in the following…

A: Given:   Grade Frequency >50 15 50-59 10 60-69 30 70-79 25 80-89 15 90-100 5

Q: Find each of the requested values for the distribution shown in the following table. (a) What score…

A: Percentile Rank (PR): It is the measure of the relative performance, where it is the percentage of…

Q: The following frequency distribution shows the score of sample of students in math class Class…

A:

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: 95th percentile= 95*(n+1)/100th term

Q: Calculate the 90th percentile of the data shown x 2.9 4.3 10.5 12.6 14 18.2 18.5 23.7 26.5 28.8

A: The data is already sorted. 90th percentile of a data set means that point below which 90% of…

Q: You are given the following frequency distribution. Class Frequency 10 – 19 12 - 20 – 29 19 30 – 39…

A: We have given that,  The frequency distribution is,  Class              frequency 10-19…

Q: 2. Using the following distribution of scores, find the 15th percentile. X 20-24 15-19 10-14 5-9 0-4…

A:

Q: For the following distribution table, the proportion of data greater than or equal 3.2 and less than…

A: Answer are given below

Q: The list below shows the marks for 20 students on a recent test out of 42. 40 28 28 30 20 25 38 40…

A: Given data: 40,28,28,30,20,25,38,40,26,10,36,25,42,21,34,37,30,23,24,36   Arrange in ascending order…

Q: Find the 24th percentile, P24, from the following data 1 2 3 4 14 18 19 20 21 24 25 29 34 42 43 44…

A:

Q: Draw a percentile curve for the following distribution of marks obtained by 700 students at an…

A: First calculate the percentile by the formula.

Q: Find the 1st quartile, 7th decile, 35th percentile, and percentile rank of 115 and 155 for the…

A:

Q: If the shaded area corresponds to z=-0.90, what proportion of the distribution corresponds to z >…

A: We have given that the shaded area correspond to z = -0.90.

Q: Jocelyn has an assignment to ask at random 10 of her classmates about their grades in Math. The data…

A: Given : Grades : 89,76,75,88,75,72,84,80,75,81 number of students (n)=10 Percentile formula :…

Q: What score has a percentile rank of 50%?

A: From the given information: n=20 k=50 Therefore, using this following formula to find the LP…

Q: 2. Sketch a histogram showing the distribution of scores shown in the following table: f 45-49 4…

A:

Q: For the distribution in the following table, what is the percentile rank for X = 8.5?​ X…

A:

Q: For the following distribution of z-scores location, what is the portion in the tail? z= -2.00 z=…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9

A: Percentile is the value in the data below which certain percentage of the data lie.   For computing…

Q: H. m: Example: From the following distribution table below, find the mode Class 60- 70- 80- 90- 100-…

A: Central tendency : A central tendency (or measure of central tendency) is a typical or central value…

Q: Sketch a histogram showing the distribution of sce shown in the following table: 45-49 4. 40-44 6.…

A: Solution-: We draw the histogram of given frequency distribution

Q: Given the following data set that presents 30 test scores on an exam, find the 95th percentile.…

A: Given data and calculation for mean and sample standard deviation is shown below

Q: The following data presents the number of diabetes cases among youth between 2000-2005. The…

A: If we plot observation in a graph, it looks like as given below:

Q: The scores from 50 psychology students that took a standardized test are summarized in the given…

A:

Q: 4. Find each value requested for the distribution of scores in the following table. 6 1 5 2 4 2 3 4…

A: Given: The data given is as follows X f 6 1 5 2 4 2 3 4 2 3 1 2

Q: Calculate the 5th percentile of the data shown 1.4 1.5 3.5 3.7 5.7 7.8 20.6 21.4 26 29.1

A:

Q: Find the quartile deviation, percentile deviation and their coefficients from the following data :…

A:

Q: percentile rank for X = 45?

A: Percentile Rank: The percentile rank of a score is the percentage of scores in its frequency…

Q: Calculate the 30th percentile of the data shown x 2 4.7 4.8 8.6 12.3 16.8 19.2 20.7 21.3

A: Given information- We have given a data set- X - 2, 4.7, 4.8, 8.6, 12.3, 16.8, 19.2, 20.7, 21.7 We…

Q: Find Standard Deviation for the following frequency distribution 10 11 12 13 14 Total 3 12 18 12 48

A:

Q: Calculate the 75th percentile of the data shown

A: The Kth percentile formula is, L=K100×Nthposition In the formula N is the sample size. The data is…

Q: Given the following data set that presents 30 test scores on an exam, find the 73rd percentile.…

A: Given data is appropriate for measures of central tendency . To find the 73rd percentile for the…

Q: if its 80th percentile is the value 160, what is the value that corresponds to its 20th percentile

A: Given, Mean, μ = 140 80th percentile is the value 160. x = 160

Q: For the distribution in the following table, what is the 60th percentile? c% 50-59 100% 40-49 90%…

A:

Q: Find the mean and the mean deviation about mean from the following frequency distribution : Weight…

A: Dispersion measure the spread of the observation from central tendency measures. There are some…

Q: Find each of the following values for the distribution shown in the informal histogram. 1. 6.

A: From the given histogram, frequency distribution table can be constructed as: hence, the x-values…

Q: The scores from 50 psychology students that took a standardized test are summarized in the given…

A:

Q: What is the 60th percentile of the data?

A:

Q: Find each of the following values for the distribution shown in the informal histogram. 4 3. 3 4 6.…

A: Here total Observations= (summation f) n= (1+3+3+4+2+1) = 14

Q: Find the mean of the distribution shown below. 3. 7 P(X) 0.21 0.07 0.58 0.14 O 6.23 0.25 O 24

A: To find the mean of the distribution

Q: The distribution of yearly income of people (thousand $) was as follows: Class <31 31-40 41-50 51-60…

A:

Q: Find the mean, median, and mode for the scores in the following frequency distribution table. X f…

A: Consider the following rearrangement of the data in the table: x f 0 2 1 0 2 3 3 2 4 5…

Q: The following dataset represents the number of customers a new coffee shop has over the first 60…

A: It is known that the data has been sorted in an ascending order. Here, the sample size, n is 60.The…

Q: Fit a Poisson distribution to the following set of data : No. of Death : 1 4 Frequency : 142 156 69…

A: Given :

Q: Calculate the 25th percentile of the data shown x 2.6 5.8 7.3 8.8 19.3 21.3 23.6 24.7

A: Solution: Note that the given data is already in ascending order.  25th percentile means 25% of the…

Q: Find the average deviation from the mean for the following distribution : 3 5 7 11 13 f: 2 7 10 9 5…

A:

Q: For the distribution in the following table, what is the percentile rank for X = 29.5? c% 30-34 100%…

A: * ANSWER :-  Given that, The distribution table is