Homework Answers
a) Arithmetic mean 
b) Here 20 observations is a sample
so Statistic
The following are the ages of the 10 people in the Java Coffee Shop at the Southwyck Shopping Mall at 10 a.m.
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The Cambridge Power and Light Company selected a random sample of 20 residential customers. Following are...
10 The Citizens Banking Company is studying the number of times the ATM located in a...
10 The Citizens Banking Company is studying the number of times the ATM located in a Loblaws Supermarket at the foot of Market Street is used per day. Following are the number of times the machine was used daily over each of the last 30 days, Determine the mean number of times the machine was used per day. (Round your answer to 2 decimal places.) ts 83 64 63 80 95 36 84 78 73 61 84 68 59 54...
A random sample of 30 male college students was selected, and their heights were measured. The...
A random sample of 30 male college students was selected, and their heights were measured. The heights (in inches) are given below. 67 69 70 69 67 66 73 69 70 67 73 69 68 68 69 73 72 67 68 71 73 71 71 72 70 67 66 74 68 72 (a) Complete the frequency distribution for the data. Make sure to enter your answers for the relative frequency as decimals, rounded to the nearest tenth. Height Frequency Relative...
NUMBER OF PEOPLE 10.2 10.0 10.1 8.5 10.2 8.2 8 Source: United States Census. 11. In...
NUMBER OF PEOPLE 10.2 10.0 10.1 8.5 10.2 8.2 8 Source: United States Census. 11. In the Sanitary District of Chicago, operating engineers are hired on of a competitive civil-service examination. In 1966, there were 223 appl for 15 jobs. The exam was held on March 12; the test scores are s arranged in increasing order. The height of each bar in the histogram next page) shows the number of people with the correspondin examiners were charged with rigging the...
Creating Graphs Create a pie chart for the variable Car Color: Select the column with the...
Creating Graphs
Create a pie chart for the variable Car Color: Select the
column with the Car variable, including the title of Car Color.
Click on Insert, and then Recommended
Charts. It should show a clustered column and click
OK. Once the chart is shown, right click on the
chart (main area) and select Change Chart Type.
Select Pie and OK. Click on the
pie slices, right click Add Data Labels, and
select Add Data Callouts. Add an appropriate
title....
Data were collected on the amount spent by 64 customers for lunch at a major Houston...
Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file named Houston. Based upon past studies the population standard deviation is known with = $8. Click on the datafile logo to reference the data. DATA file Round your answers to two decimal places. If needed, use the critical value with three decimal places. a. At 99% confidence, what is the margin of error? b. Develop a...
For the take-home portion of the exam, you will be analyzing the dataset titled "Testscores", fou...
For the take-home portion of the exam, you will be analyzing the dataset titled "Testscores", found on the Content page. This dataset lists the scores for two different classes who were both given a similar test. Using this data, answer the following 5 questions, each worth 10 points 1. Calculate a 95% confidence interval for the mean score in each class, What conclusions can we draw from this? 2. Calculate a 95% confidence interval for the difference between the two...
Complete function long_list_printer.print_list(). When it's finished, it should be able to print this list, a =...
Complete function long_list_printer.print_list(). When it's
finished, it should be able to print this list,
a = [
[93, 80, 99, 72, 86, 84, 85, 41, 69, 31],
[15, 37, 58, 59, 98, 40, 63, 84, 87, 15],
[48, 50, 43, 68, 69, 43, 46, 83, 11, 50],
[52, 49, 87, 77, 39, 21, 84, 13, 27, 82],
[64, 49, 12, 42, 24, 54, 43, 69, 62, 44],
[54, 90, 67, 43, 72, 17, 22, 83, 28, 68],
[18, 12, 10,...
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and pat...
solvel only E F G H
below is pat data
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and patients age (Xi, in years), severity of illness (X2, an index) and anxiety level (X3, an index). The administrator randomly selected 23 patients and collected the data in pat, where larger values of Y, X2 and X3 are, respectively, associated with more satisfaction, increased severity of illness and more anxiety. The data is saved in Moodle2...
ALL WORK DONE IN EXCEL, SHOW SCREENSHOT. MATLAB!! BELOW IS SOAP BOX 1 100.2738 2 101.6089...
ALL WORK DONE IN EXCEL, SHOW SCREENSHOT.
MATLAB!!
BELOW IS SOAP BOX
1 100.2738
2 101.6089
3 97.3934
4 100.608
5 100.0483
6 98.3731
7 99.2734
8 100.0729
9 103.4057
10 102.5725
11 98.3296
12 102.846
13 100.4672
14 99.6551
15 100.4562
16 99.5089
17 99.5921
18 101.2544
19 101.1713
20 101.1797
21 100.4116
22 98.4763
23 100.4588
24 101.3991
25 100.2236
26 100.7857
27 100.4687
28 99.4075
29 100.0227
30 98.9091
31 100.635
32 98.5385
33 98.6191
34 98.8862...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the world are shown here. (Note: The height of Niagara Falls is 182 feet!) below. Based on these data, what do you think of the claim that the average expenditure per pupil in the United States exceeds $10,000? a 94222 b 8988 3212 2800 2625 2540 2499 2425 2307 2151 2123 2000 1904 1841 1650 1612 1536 1388 1215 1198 1182 1170 Source: New York...
10 The Citizens Banking Company is studying the number of times the ATM located in a Loblaws Supermarket at the foot of Market Street is used per day. Following are the number of times the machine was used daily over each of the last 30 days, Determine the mean number of times the machine was used per day. (Round your answer to 2 decimal places.) ts 83 64 63 80 95 36 84 78 73 61 84 68 59 54...
NUMBER OF PEOPLE 10.2 10.0 10.1 8.5 10.2 8.2 8 Source: United States Census. 11. In the Sanitary District of Chicago, operating engineers are hired on of a competitive civil-service examination. In 1966, there were 223 appl for 15 jobs. The exam was held on March 12; the test scores are s arranged in increasing order. The height of each bar in the histogram next page) shows the number of people with the correspondin examiners were charged with rigging the...
Creating Graphs
Create a pie chart for the variable Car Color: Select the
column with the Car variable, including the title of Car Color.
Click on Insert, and then Recommended
Charts. It should show a clustered column and click
OK. Once the chart is shown, right click on the
chart (main area) and select Change Chart Type.
Select Pie and OK. Click on the
pie slices, right click Add Data Labels, and
select Add Data Callouts. Add an appropriate
title....
Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file named Houston. Based upon past studies the population standard deviation is known with = $8. Click on the datafile logo to reference the data. DATA file Round your answers to two decimal places. If needed, use the critical value with three decimal places. a. At 99% confidence, what is the margin of error? b. Develop a...
For the take-home portion of the exam, you will be analyzing the dataset titled "Testscores", found on the Content page. This dataset lists the scores for two different classes who were both given a similar test. Using this data, answer the following 5 questions, each worth 10 points 1. Calculate a 95% confidence interval for the mean score in each class, What conclusions can we draw from this? 2. Calculate a 95% confidence interval for the difference between the two...
Complete function long_list_printer.print_list(). When it's
finished, it should be able to print this list,
a = [
[93, 80, 99, 72, 86, 84, 85, 41, 69, 31],
[15, 37, 58, 59, 98, 40, 63, 84, 87, 15],
[48, 50, 43, 68, 69, 43, 46, 83, 11, 50],
[52, 49, 87, 77, 39, 21, 84, 13, 27, 82],
[64, 49, 12, 42, 24, 54, 43, 69, 62, 44],
[54, 90, 67, 43, 72, 17, 22, 83, 28, 68],
[18, 12, 10,...
solvel only E F G H
below is pat data
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and patients age (Xi, in years), severity of illness (X2, an index) and anxiety level (X3, an index). The administrator randomly selected 23 patients and collected the data in pat, where larger values of Y, X2 and X3 are, respectively, associated with more satisfaction, increased severity of illness and more anxiety. The data is saved in Moodle2...
ALL WORK DONE IN EXCEL, SHOW SCREENSHOT.
MATLAB!!
BELOW IS SOAP BOX
1 100.2738
2 101.6089
3 97.3934
4 100.608
5 100.0483
6 98.3731
7 99.2734
8 100.0729
9 103.4057
10 102.5725
11 98.3296
12 102.846
13 100.4672
14 99.6551
15 100.4562
16 99.5089
17 99.5921
18 101.2544
19 101.1713
20 101.1797
21 100.4116
22 98.4763
23 100.4588
24 101.3991
25 100.2236
26 100.7857
27 100.4687
28 99.4075
29 100.0227
30 98.9091
31 100.635
32 98.5385
33 98.6191
34 98.8862...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the world are shown here. (Note: The height of Niagara Falls is 182 feet!) below. Based on these data, what do you think of the claim that the average expenditure per pupil in the United States exceeds $10,000? a 94222 b 8988 3212 2800 2625 2540 2499 2425 2307 2151 2123 2000 1904 1841 1650 1612 1536 1388 1215 1198 1182 1170 Source: New York...
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