From the following data estimate the number of students getting marks ebetween 20 and 25. Marks Number of students Marks Number of students Below 10 20 Below 40 210 Below 20 Below 30 45 Below 50 325 115

Q: Calculate the mean of the following values: 3, 36, 11, 44, 46, 8, 10. Answer rounded to the nearest…

A: Given : Values (X) : 3 , 36 , 11 , 44 , 46 , 8 , 10 Sample size (n) = 7

Q: The following items represent the number of birds observed at a given feeder over the past several…

A:

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: Given observations are: 32, 21, 85, 54, 4, 95, 45. The sample size is n=7.

Q: Total cholesterol in 25 patients after taking new statin drug. .. Population mean is 200.…

A:

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step…

A: The question is about proportion.Given :Randomly selected no. of tankers ( n ) = 432No. of tankers…

Q: find 1st deciles for giiven data  12,15,14,6,9,7,5,3,42,15,85,75,63,45,25

A:

Q: find geometric mean for giiven data 54,45,85,63,96,75,12,3,65,19,85

A:

Q: What is the range of the following: 19, 18, 21, 16, 15, 17, 20, 28 * O 15 O13 O28 O 20.5

A: Range of a data set is the difference between the minimum and maximum observations.

Q: If you have the following data set {70, 72, 67, 78, 70} and you add 85 to the data set, how much…

A: the following data set {70, 72, 67, 78, 70} and you add 85 to the data set,

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: Given : Data represents  the number of birds observed at a given feeder over the past several days.…

Q: Determine whether the value is from a discrete or continuous data set. Number of notes in a song is…

A: Discrete data can only take certain values It is usually data that is countedEg:No.of children in…

Q: Given: Test scores are 59 95 82 78 66 82 65 78 66 66 79 82 66 82. Find the PERCENTILE for the test…

A: We have to percentile for 79 ..

Q: find mean and median   21,25,65,49,58,65,95,45,25,45,12,35,25,45,85,56

A: Mean X  =∑Xn                = 21 +25+65+49+58+65+95+45+25+…

Q: re the scores of 12 students on a geography test. 60, 66, 66, 67, 69, 70, 70, 78, 87, 88, 90, 92…

A: given data,  n=12   data in ascending orders, 60, 66, 66, 67, 69, 70, 70, 78, 87, 88, 90, 92   we…

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: From the provided information, The number of observations (n) = 8

Q: Find the mode for the following data 18,17,73,73,51,37,17,38,41,17

A: Answer: From the given data, Given data is, 18,17,73,73,51,37,17,38,41,17 Sample size (n) = 10

Q: ind the median and mean of the data set below: 10,48,21,15,48,24,3010,48,21,15,48,24,30   Median=…

A: Given data: 10, 48, 21, 15, 48, 24, 30. The sample size is n=7.

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: Determine whether the given value is from a discrete or continuous data set. The total number of…

A: From the provided information, A sales representative makes 425 phone calls in a month.

Q: Below are the data for the number of days that it took Wyche Accounting to perform audits in the…

A: To find the mean (average) of the number of days it took Wyche Accounting to perform audits in the…

Q: Find the 5 number summary for the data shown below. 62 27 33 89 50 32 55 45 22 59 5 number summary:

A: data in accending order are : 22,27,32,33,45,50,55,59,62,89n= 10

Q: For school year 2013-2014, the Math Club had 80 members. The number of member per year level is as…

A: Subject Frequency Degree Grade 7 16 36080×16=72° Grade 8 22 36080×22=99° Grade 9 24…

Q: he following item represents the number of birds observed at a given feeder over past  several days.…

A: Given data, 21,37,13,71,2,36,46,60   Sort the data in ascending order. 2,13,21,36,37,46,60,71…

Q: 5. Find the followings: mean, mode, median and midrange. 53, 52, 75, 62, 68, 58, 51, 51

A: 53, 52, 75, 62, 68, 58, 51, 51 Sample size n =8 Arrange the data set in ascending order are.…

Q: Find the mode of the following data 83,37,73,63,63,12,84,84,61,31

A: 83, 37, 73, 63, 63, 12,  84, 84,  61, 31

Q: The following values represent the heights of 12 students (in inches) taking a math class. 72, 63,…

A: In the data set, the number of students hights are given (n) is 13.

Q: What is the mean of the following data set 60,52,48,32,62,45,48,52,60,48

A: Solution

Q: Find the median and mean of the data set below: 28,7,14,27,34,38,3428,7,14,27,34,38,34    Median=…

A: The given data is 28 7 14 27 34 38 34 The n is the sample size. The formula for the median is…

Q: (a) Develop a scatter diagram with price as the independent variable. A scatter diagram has 9 points…

A: (A) Scatter Plot for the Data and price as the independent variable. Price ($) Overall Score…

Q: Find the mode of the following data 84,83,73,73,84,73,73

A: Data : 84,83,73,73,84,73,73

Q: b. What percent of adult females are taller than 68.5 inches? 54.5 58 61.5 65 68.5 72 75.5 - 30 -20…

A: We will use concepts of normal distribution hefe

Q: What percent of students earned an "A" grade of 90% or higher? TEST SCORES:…

A: Solution: The given data is 50, 60, 61, 63, 66, 67, 73, 82, 89 and 92. Total number of scores is 10.

Q: Find de mean, median, and more, 3,6,7,3,9,8,3,7 5

A:

Q: find mean and median of data   41,42,4,44,44,45,48,49,50,51

A:

Q: A survey of 250 households showed 71 owned at least one snow blower. Find a point estimate for p,…

A: Solution-: X=71, n=250 We want to find the point estimate of p?

Q: What is the median? 20 40 70 80 2000

A: From the provided information, The number of observations is 5, that is n = 1 The count of…

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: Calculate Median from the following data99,37,21,12,75,58,2

Q: Find the number of classes if the number of observation is 190.

A: Given: Number of observations, N=190 We need to determine the number of classes. Concept: Sturges…

Q: Find the range for the following set of scores. 29,63,42,75,99,18,29,53,77 O a. 81 O b. 48 O c. 99

A: Given data set, 29,63,42,75,99,18,29,53,77   Sort the given data: 18, 29, 29, 42, 53, 63, 75, 77, 99