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# MM207_MidTerm_Project

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Date Created: 11/14/15

KA PLAN UNIVERSITY MM207 MidTerm Project Carol Garwood 1 In the following situation identify the implied population A recent report on the weekly news presented the ndings of a study on the effectiveness of Onglyza along with diet and exercise for treating diabetes The implied population would be those that have diabetes 2 In the following scenario identify the type ofstatistical studythat was conducted A Gallop poll surveyed 1018 adults by telephone and 22 of them reported that they smoked cigarettes within the past week An observational study was conducted because there was no treatment applied to the subjects 3 In the following scenario what is the statistic and the parameterit would estimate A recent study of 460 drivers age 70 and over by the National Highway Traf c Safety Administration reported that 75 of those drivers had uncorrected vision problems The statistic is the 75 of subjects that quothad uncorrected vision problemsquot The parameter would be those with vision problems 4 What type of sampling procedure was used to collect the data in the MM207 Student Data Set Convenience sampling was used because there is no clear parameter as to what particular set of information they are looking for nor is there a clear commonality between the subjects KA P LA N UNIVERSITY MM207 MidTerm Project 5 From the MM207 Student Data Set identify one variable that is discrete and one variable that is continuous Explain your reasoning How do you know a The Discrete Variable is One discrete variable of dataset3 are their voter registration status b The reason the variable is discrete is because The subjects cannot be registered and unregistered at the same time nor can they be half way registered c The Continuous Variable is a continuous variable would be the number of hours of television watched last week d The reason the variable is discrete is because The variable is continuous because the number of hours watched can be any number between 0 none at all last week and 168 every day for 24hrs last week 6 From the MM207 Student Data Set identify the following a A variable measured at the nominal level of measurement is a nominal level measured variable would be 213 quot What best describes your political philosophyquot b A variable measured at the ratio level of measurement is A ratio level measured variable would be Qll quot How many hours do you spend on school work each weekquot c A variable measured at the ordinal level of measurement is A ordinal level measured variable would be 216 what model year is your carquot 7 What is the approximate percentage of students represented in the data set who are between the ages of 29 and 45 inclusive KA P LA N UNIVERSITY MM207 MidTerm Project The approximate percentage of students that are between the ages of 29 45 is 4857 8 Assume that you are preparing a report on MM207 statistics students at Kaplan University to present to the Kaplan Board of Trustees Prepare an appropriate graphical representation for each of the following variables Paste the graph here Do this for a and for b a The different majors of students taking MM207 Percentage of Different Majors Taking MM207 4000 2743 1257 457 457 Legal Studies Nursing Other Psychology None Business It b The number of hours spent on school work by students in MM207 KA P LA N UNIVERSITY MM207 MidTerm Project Number of Hours Spent on School Work 60 A 30 i3 9 Using the range rule of thumb estimate the standard deviation for the number of credit hours students in this sample are taking and the shoe sizes of the females in the class The range rule of thumb estimate of the standard deviation for the number of credit hours students are taking is 00914285714 5 00914 The range rule of thumb estimate of the standard deviation of the shoe size of the females in the class is 00514285714 5 00514 Then using StatCrunch compute the actual standard deviation The actual StatCrunch generated standard deviation for the number of credit hours students are taking is KA PLAN UNIVERSITY MM207 MidTerm Project The actual StatCrunch generated standard deviation of the shoe size of the females in the class is Paste StatCrunch Results here ll Column Std Dev ll Q6 How many credit hours are you taking this term 2815 1245 ll Gender Std Dev Female 1294457quot Compare the results a Does the range rule of thumb overestimate or underestimate the standard deviation for number of credit hours The range rule of thumb underestemates the standard deviation for the number of credit hours being taken b Does the range rule of thumb overestimate or underestimate the standard deviation for shoe sizes of females KAPLAN UNIVERSITY MM207 MidTerm Project The range rule of thumb underestemates the standard deviation for the shoe sizes of females c How does the shape of the distribution impact what you conclude The shape of the distribution of the chart below is greatly skewed on the right side for each stnadard deviation to range of thumb of the standard deviation Helping me to understand that the range of thumb is not an acurate way to nd the standard deviation of this data 3 25 2 l 5 l Standard Deviation I l Range of thumb for Standard Deviation 1 05 0 Shoe sizes for females Credit hours taken 10 Using measures of center mean median and mode and measures of variability variance standard deviation and range compare the number KA PLAN UNIVERSITY MM207 MidTerm Project of hours on school work 011 and the number of hours watching television 014 as required in the following questions a Which variable has greater variability The variable that has greater variability would be the variance How do you know Being that the variance has the highest value of spread in comparison to the other measurements of center it has the highest variability b What number of hours on school work would be at the 10th percentile 6 c What number of hours watching television would be at the 90th percentile 16 Paste StatCrunch results here 7 Summary statistics ll Column 10th Per Q11 How many hours do you spend on school work each week 6quot Summary statistics ll Column 90th Per quotQ14 How many hours of television did you watch last week 16

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