a. Complete the last column of a copy of this table. Ago Number of People Proportion of Population Under 18 74,181,467 0.2403 18-44 112,806,642 45-64 81,489,445 0.2639 65 and Over 40,267,984 Total 308,745,538 Source: Age and Sex Composition: 2010, Census Briefs, www.census.gov/prod/ cen2010/briefs/c2010br-03.pdf

Q: alculate the coefficient of determination r2 Interpret the result.

A: The data can be entered in excel as:

Q: 4th Data Set: 2,1,2,4,3,7,5,8,5,6,2,1,14 So practice with these.

A:

Q: What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?

A: Arithmetic mean: x=∑xn

Q: Find the five-number summary of the given data set. 107, 92, 111, 119, 99, 100, 89, 94, 125, 93,125

A:

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: A store manager gathers some demographic information from the store's customers. The following chart…

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Q: In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more…

A:

Q: What was the average price for a ticket to a New England Patriots game in 2018? Team Ticket Other…

A:

Q: median

A:

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: We take the weights of five watermelons and get 12, 8, 14, 16, 17, and 11 pounds. What should we use…

A:

Q: What is the approximate class width that would be used in the following data set? 12, 14, 19, 18,…

A: Given set of number are 12, 14, 19, 18, 15, 15, 18, 17, 20, 27, 22, 23, 22, 21, 33, 28, 14, 18, 16,…

Q: find 5 number summary for given data   2,5,8,9,11,15,14,16,18,20,25,30,35,40,48,50

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Q: Find the median, mode, and mean of the following data set: 6, 6, 7, 8, 9, 9, 10, 10, 10, 17, 19

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Q: A. Choose among ratio, proportion, and rate. 1. Number of women in Makati City who died from lung…

A: A. Choose among ratio, proportion, and rate.

Q: School Enrollment. The National Center for Education Statistics publishes information about school…

A: Let A represents the percentage of students who attend public schools and B represents the…

Q: Find the five-number summary for the given data set. 42, 58, 67, 55, 40, 69, 66, 51, 46, 48, 68

A: To find the five number summary

Q: Identify the five number summary of the following data set. 7, 11, 21, 28, 32, 33, 37, 43

A: The five number summary is, Minimum First quartile(Q1) Median(Q2) Third quartile(Q3) Maximum. The…

Q: The lengths (in feet) of the main span of the longest suspension bridges in the United States and…

A: Measures of variability: The measure of variability or the measures of dispersion can be measured…

Q: Using the measures of dispersion, describe the population of the world's top ten (10) crowded cities…

A: Given that -

Q: Business Statistics. Lothian café ordered the following tea from the supplier, calculate the…

A:

Q: The average consumer unit spent $1874 on apparel and services in2006.That same year, 25 consumer…

A: The average consumer unit spent $1874 on apparel  population mean annual expenditure: μ = $1874…

Q: Determine the difference between the 2014 cranberry production in Washington and the 2014 cranberry…

A: Here the data is given between the cranberry production and states.

Q: 3rd Data Set: 14,12,11,13,14,14,13,13,13,14,13,13,1,20 (SD=0.90)

A: Interquartile range (IQR) is the positive difference between First quartile (Q1) & third…

Q: Identify the following as either descriptive or inferential statistics : "The average Chinese viewer…

A: Given : The average Chinese viewer watches 200 hours of TV per month.

Q: Which of the following is an example of ratio level data? Cars described as compact, midsize, and…

A: It is given that some examples related to the ratio level data. Here, need to find out the correct…

Q: What is the mode of this data set? 36.25, 25, 42.4286, 37.125, 38.5893, 36.5,. 40.7321, 41.3571 *

A:

Q: Find the mean of the data set: 234, 228, 234, 229, 234, 278 О 278 O 239.5 О 234 O 231.5

A: Given ,6 Data are given 234,228,234,229,234,278 We need to calculate the mean of the given data.…

Q: Which is a correct comparison? 120,207 101,458 114,350 101,557

A: To find the correct comparison.

Q: 3- Find the range of the following data. (i) 63, 89, 98, 125, 79, 108, 117, 68

A: (3) (i) The given data set is, 63, 89, 98, 125, 79, 108, 117, 68 The formula for calculating the…

Q: The number of carbohydrates in a one-ounce serving of thirteen breakfast cereals is listed as…

A: Given data is: 19, 26, 25, 24, 23, 26, 23, 21, 28, 23, 13, 25, 20

Q: Given this table, what is the median number of pets. Number Frequency of Pets 8 10 3 1 3.

A: It is an important part of statistics. It is widely used.

Q: 1st Data Set: 5,4,1,6,5,5,6,5,6,6,15,5,6,13 (SD=3.54)

A: Given that data  Arrange the data in ascending order. 1,4,5,5,5,5,5,6,6,6,6,6,13,15 IQR = Q3 - Q1

Q: level of the measurement

A: 1. Religious affiliation = Nominal 2. The number of sit-ups you can do = Ratio 3. Number of traffic…

Q: Compute for the mean and median of the data below : weight (in Ibs.) number of students

A: Given,  Weight  Number of students 147-153 2 140-146 5 133-139 8 126-132 9 119-125 11…

Q: DuPont Automotive releases a Color Popularity Report which provides the percentages of car colors in…

A: The claim is to test whether the sample provide enough evidence to support the stated probability…

Q: Classify the following data according to its level of measurement. 16. Zip Code 17. Grade (A, At B,…

A: There are 4 levels of measurement : nominal, ordinal, interval and ration. Nominal represents…

Q: Convert the following values into grouped data for 20 diabetes patients:…

A: Here  Maximum=41 Minimum=30

Q: Determine the point estimate of the population mean. {23, 34, 22, 26, 25}

A:

Q: Find the mean, median, and mode of the data set  9    4   8   4   7   mean (Enter a number.)…

A: Given information- We have given a data set- 9, 4, 8, 4, 7 We have to find the mean, median, and…

Q: Find the 5 number summary of the following set of data: 11, 8, 12, 4, 7, 10, 3, 15, 8, 8, 7

A: In general, five number summary represents minimum, first quartile, median, third quartile and…

Q: Find the median of the following given data: 10.1, 15.5, 35, 30, 30, 25, 15.5, 10.1, 17, 15.5 Need…

A:

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: find the mean, median and mode of given set data 8,10,13,13,16

A: Data set: 8, 10, 13, 13, 16

Q: Q. 1. Calculate median from the following items : 5, 7, 9, 11, 13, 15, 17, 19, 21

A:

Q: 2) Make a stem-and-leaf plot of the following data 56, 65, 98, 82, 64, 71, 78, 77, 86, 95, 91, 59,…

A: