Homework Answers
2a) mean=
=56.267
b) mode= highest value= donald trump age 70
c) range=maximaum value- minimum value=70-43=27
d)
| president | age | x-mean | (x-mean)2 |
| herbert hoover | 54 | -2.26667 | 5.137778 |
| franklin roosevelt | 51 | -5.26667 | 27.73778 |
| harry truman | 60 | 3.733333 | 13.93778 |
| dwight eisenberg | 62 | 5.733333 | 32.87111 |
| john f kennedy | 43 | -13.2667 | 176.0044 |
| lyndon johnson | 55 | -1.26667 | 1.604444 |
| richard nixon | 56 | -0.26667 | 0.071111 |
| gerald ford | 61 | 4.733333 | 22.40444 |
| jimmy carter | 52 | -4.26667 | 18.20444 |
| ronald reagan | 69 | 12.73333 | 162.1378 |
| george hw bush | 64 | 7.733333 | 59.80444 |
| bill clinton | 46 | -10.2667 | 105.4044 |
| george w bush | 54 | -2.26667 | 5.137778 |
| barack obama | 47 | -9.26667 | 85.87111 |
| donald trump | 70 | 13.73333 | 188.6044 |
Standard deviation=
=
7.767
3a)
| age | frequency |
| 43-47 | 3 |
| 48-52 | 2 |
| 53-57 | 4 |
| 58-62 | 3 |
| 63-67 | 1 |
| 68-72 | 2 |
b)
c)
d)
e)
4. Our results show that the age group of 53-57 has the most no. of presidents which also contains the mean.
Add Answer to:
Based on the data provided of the last 15 presidents amd their ages
upon taking office,...
note: the data doesnt have to come from statcrunch, it can be from a random data...
note: the data doesnt have to come from statcrunch, it can be
from a random data or source or whatever, nothing specific. it can
be on body temperature of people who smoke and who dont smoke (if
possible I prefer data on that). and i need is just one data graph
or chart (histogram or box plot). everything else is self
explanitory.
thanks
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Based on this data, I find it hard to the calculations and analysis
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here is the data Y X 34.38 22.06 30.38 19.88 26.13 18.83 31.85 22.09 26.77 17.19...
here is the data
Y X
34.38 22.06
30.38 19.88
26.13 18.83
31.85 22.09
26.77 17.19
29.00 20.72
28.92 18.10
26.30 18.01
29.49 18.69
31.36 18.05
27.07 17.75
31.17 19.96
27.74 17.87
30.01 20.20
29.61 20.65
31.78 20.32
32.93 21.37
30.29 17.31
28.57 23.50
29.80 22.02
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2. Using a computer program, a data set with 20 observations on and was generated (GENERATEDATA.csv). Again, use the same instructions as above (in #1) to upload and import this dataset...
Download the attached data file. Use the data file to answer the questions 1 to 5...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5...
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apter 1. Consider the following data on distances traveled by 100 people to visit the local...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
The last 3 cases are tests .cpp files to test the code. The language of this...
The last 3 cases are tests .cpp files to test the code. The
language of this code must be C++ because that is the only I am
familiar with.
Soreland, a software company, is planning on releasing its first C++ compiler with the hopes of putting MiniSoft's Visual C++ out of business (that reminds me of another story). Consequently, Soreland has contracted with the Fruugle Corporation to design and build part of their compiler. Of course, since Fruugle gets all...
note: the data doesnt have to come from statcrunch, it can be
from a random data or source or whatever, nothing specific. it can
be on body temperature of people who smoke and who dont smoke (if
possible I prefer data on that). and i need is just one data graph
or chart (histogram or box plot). everything else is self
explanitory.
thanks
1) Select a data source to analyze in Staterunch (Select Explore; Data) -Specify one research question your...
Test 1 A/B-Part 2 Show ALL. work in a neat and organized manner on separate paper. DO NOT write the answers on the test - there is not enough space. Follow directions!! ALL graphs and tables MUST either be hand-drawn or created in StatCrunch. ALL hand drawn graphs must be on Graph Paper. Label ALL graphs and tables correctly. Include your last name as part of the title on all graphs & tables. Follow specific directions for each problem. Problems...
Based on this data, I find it hard to the calculations and analysis
and discussion
Beer's Law Calculations: A. Dilution Calculations 1. Use the actual mass of cobalt(II) nitrate hexahydrate you used to calculate the concentration of your stock solution. 2. Calculate the concentration of your diluted solutions. The easiest way to do this is with the equation MiV2-M2V2. Show the work for the calculation of the concentration of at least one of your dilute solutions. 3. Make a table...
A quality engineer analyzed the paint job on the Lexus IS350 model at the Toyota plant in Woodstock. 250 cars were analyzed. The drying time (in hours) and colour of paint was recorded. dentify the variable(s) in the study, (ii) explain the type of data for each variable in the study (e.g., categorical and ordinal, continuous or discrete, etc.), (ii) identify the observational unit, and (iv) determine the sample size 1. For a list of positive numbers, is it possible...
II. Using the spreadsheet provided, please answer each question. You must show work for the problems where this is indicated. Round all answers to the nearest hundredth where necessary. 5. Name two categories that have qualitative data. 6. Name two categories that have quantitative data that is discrete, 7. Name two categories that have quantitative data that is continuous. 8. Build a frequency chart for the category “Major". 9. Build a relative frequency chart for the category “Number of Siblings"....
here is the data
Y X
34.38 22.06
30.38 19.88
26.13 18.83
31.85 22.09
26.77 17.19
29.00 20.72
28.92 18.10
26.30 18.01
29.49 18.69
31.36 18.05
27.07 17.75
31.17 19.96
27.74 17.87
30.01 20.20
29.61 20.65
31.78 20.32
32.93 21.37
30.29 17.31
28.57 23.50
29.80 22.02
this is q1
2. Using a computer program, a data set with 20 observations on and was generated (GENERATEDATA.csv). Again, use the same instructions as above (in #1) to upload and import this dataset...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
apter 1. Consider the following data on distances traveled by 100 people to visit the local park. 1-8 30 25 20 15 10 9-16 17-24 25-32 33-40 Expand and construct the table adding columns for relative frequency and cumulative relative frequency. Then plot Histogram, Frequency Polygon and Ogive Curve. 2. Math test anxiety can be found throughout the general population. A study of 200 seniors at a local high school was conducted. The following table was produced from the data....
The last 3 cases are tests .cpp files to test the code. The
language of this code must be C++ because that is the only I am
familiar with.
Soreland, a software company, is planning on releasing its first C++ compiler with the hopes of putting MiniSoft's Visual C++ out of business (that reminds me of another story). Consequently, Soreland has contracted with the Fruugle Corporation to design and build part of their compiler. Of course, since Fruugle gets all...
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