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: Using the following data: 23, 74, 18, 21, 20, 43, 56, 71, 73, 65, 34, 47, 51, 55, 56, 29 Calculate…

A: A frequency distribution is a list, table or graph that displays the frequency of various outcomes…

Q: Find the 5 number summary for the data shown below. 80 74 56 52 81 69 45 5 60 4 5 number…

A: Given data set in ascending order is  4,5,45,52,56,60,69,74,80,81. The minimum observation is 4. The…

Q: If your grade for your AMDM class is computed the following way: Homework – 10% Quizzes – 10% Tests…

A: the given table is Homework 10% Quizzes 10% Tests 60% Final exam 20% .

Q: The following data gives prices of commodities in 1986 and 1984. Calculate a price index number…

A: Given: commodity price in 1984 price in 1986 I 11 16 II 15 22 III 7 12 IV 25 30 V 30…

Q: Calculate the median from the following data: Mid. values Frequency Mid. values Frequency 15 65 7 25…

A:

Q: The Highway Patrol, using radar, checked the speeds (in mph) motorists at a checkpoint. The results…

A: 30 passing motorists at a check point 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39…

Q: Given the following list of tips (in dollars) earned in the last hour by waiters in a Japanese…

A: Given the following list of tips (in dollars) earned in the last hour by waiters in a Japanese…

Q: From the following data, find the value of median : Income 15,000 15,500 16,800 18,000 18,500 17,800…

A:

Q: In the below bar chart, the number of students studying in grade 8 are : Number of Students 90 80 70…

A: We are given the number of students in the following graph.

Q: Find the IQR for the following data values: 375, 210, 150, 147, 429, 389, 580, 507, 180. a.…

A: Interquartile range is given by : IQR = Q3 - Q1

Q: Using moving average, forecast the number of sales for September

A: here for 2 -MA forecast for period t Ft  = At-1  +At-2  2   using 4-MA  forecast for period t Ft  =…

Q: The following are grades recorded for a Social Studies test: 81, 83, 83, 90, 36, 72, 78, 96, 85, 64,…

A: We can find the outlier as below.

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $637.…

A:

Q: Find the number of students from the following who scored marks not more than 45. Marks range 30-40…

A: Given Information: Marks  frequency 30-40 35 40-50 48 50-60 70 60-70 40 70-80 22…

Q: Below are the number of hours students studied for a Statistics exam. To construct a boxplot, what…

A:

Q: From these  scores, find the interquartile range.  6, 1, 10, 3, 7

A: Given data is: 6, 1, 10, 3, 7 IQR = Q3 - Q1

Q: A Statistics teacher has the following test scores : 93, 72, 80, 95, 90, 70, 91, 85, 86, 100 What is…

A: We have given that a Statistics teacher has the following test scores: 93, 72, 80, 95, 90, 70, 91,…

Q: The following data represents the students' scores :…

A: Given : 81,35,86,91,69,72,47,66,80,55,90,53,43,56,80,77,59

Q: The following data were collected on the height (inches) and weight (pounds) of women swimmers.…

A: Regression equation is

Q: The test scores of 19 students are listed below. Find the 7th decile. 36 45 49 53 55 56 59 61 62 65…

A: Calculate Deciles-7 from the following data36,45,49,53,55,56,59,61,62,65,67,72,77,80,81,85,91,94,96

Q: Find the IQR for the following data values: 375, 210, 150, 147, 429, 389, 580, 507, 180.

A:

Q: If there were NO drivers who drove 80 or 85 mph would the mean stay the same, be lower,, or higher?

A: From the given information we find the probability.

Q: Approximate the measures of center for following GFDT. Data Frequency 60 - 64 2 65 - 69 1 70 - 74 11…

A: Calculate Mean, Median from the following grouped data Class Frequency 60 - 64 2 65 - 69 1…

Q: Find the mean for this list of numbers 14 57 47 92 82 89 68 59 17 62 49 4 90 26 Mean= Submit…

A:

Q: The boxplot below shows salaries for Actuaries and CPAS. СРА Actuary 30 40 50 60 70 80 90 Salary…

A: From given box-plot The median of CPA is 50 The median of Actuary is 60

Q: Below are the clocked driving speeds (in miles per hour) a police officer recorded for drivers along…

A: Five Number Summary :  A five-number summary simply consists of the smallest data value, the first…

Q: Find the 5 number summary for the data shown below. 60 16 76 45 6 34 79 64 22 69

A: Find the 5 number summary for the data shown below.     60 16 76 45 6 34 79 64 22 69

Q: In the sport of American football, passers are rated using the following formula, in which A is the…

A: Given formula for rating is, Passes attempt =A=540 Passes completed =C=320 Total tochdowns =T=16…

Q: The test scores of 19 students are listed below. Find the 7th decile. * 36 45 49 53 55 56 59 61 62…

A:

Q: The following data give the speeds (in miles per hour) of eight cars that were stopped om I-95 for…

A:

Q: From the following table, estimate the number of students who ob- tained marks between 40 and 45:…

A: We Solve the given problem using Newton's forward interpolation method.

Q: 11. From the following data estimate the number of students getting marks etween 20 and 25. Marks…

A: Given : Marks below 10 below 20 below 30 below 40 below 50 Number of student 20 45 115 210 325

Q: From the following data: 24, 109, 16, 128, 46, 86, 57, 37 The median

A:

Q: Below are the ages of ten women who have been recognized for their social work:…

A:

Q: Calculate mean from the following data : Midpoints 2 3 4 5 7 8 9. Frequency 2 60 101 152 205 155 70…

A:

Q: From the following data calculate median: No. of Students Marks No. of Students Marks 29 Less than…

A:

Q: The following data give the total rebounds per game (2) and points per game (y) professional…

A: Given data, X Y X*Y X*X Y*Y 9 8 72 81 64 7 9 63 49 81 4 7 28 16 49 3 2 6 9 4 6 9 54 36…

Q: Given the following data, find y'(6) and the maximum value of y. 3 58 4. 6. 4. 26 112 466 922

A: The interpolation technique is used to determine a function, y=f(x) using the dataset of x and y.…

Q: Given the following data. Find the Range: 16, 25, 4, 18, 11, 13, 20, 8, 11, 9 اختر احدى الدجابات О…

A:

Q: Data was collected regarding purchases at a major department store. For each customer making a…

A: Given data, P(Customer spend 50$ or over and use credit card)=?

Q: A Statistics teacher has the following test scores : 93, 72, 80, 95, 90, 70, 91, 85, 86, 100 What is…

A: Given information- We have given a statistics teacher has the following test scores- 93, 72, 80, 95,…

Q: given the data on the table below, solve for the weighted mean

A: Given information: The given weighted data is as follows: Observation Class Weights 1 1-3 4 2…

Q: Consider the following data set. Round your answers to the nearest hundredth as needed. 38 42 37 28…

A:

Q: 69. From the following data calculate the missing value when mean is 415.86: 430 410 412 413 417 (X)…

A:

Q: The exam scores (out of 100 points) for all students taking an introductory statistics course are…

A: from given box plot, minimum = 25

Q: The arithmetic mean of the following data is Marks Frequency 18 4 30 1 85 90 75 O 64.50

A: Here,  x f fx 18 4 72 30 1 30 85 3 255 90 5 450 75 3 225 Total 16 1032

Q: The number of countries shown in this bar chart where the rate of rapes is below 10 for every…

A: Given information- We have given a bar chart showing the number of countries and the rate of rape…

Q: From the following table, estimate the number of students who obtained marks between 40 and 45:…

A: first we make the cumulative frequency table  marks :                      40      50     60…