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by: Whitney Lynn

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# Final Project ESC_PS 4170 - 01

Whitney Lynn
Mizzou
Intro to applied statistics
Waigant

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This is my final project from Intro to Applied Statistics, it's questions from the book he gives us to answer. It is toward the end of the semester before the final exam.
COURSE
Intro to applied statistics
PROF.
Waigant
TYPE
Study Guide
PAGES
2
WORDS
CONCEPTS
applied statistics, educational statistics, project, final project
KARMA
50 ?

## Popular in Statistics

This 2 page Study Guide was uploaded by Whitney Lynn on Thursday September 17, 2015. The Study Guide belongs to ESC_PS 4170 - 01 at University of Missouri - Columbia taught by Waigant in Fall 2013. Since its upload, it has received 467 views. For similar materials see Intro to applied statistics in Statistics at University of Missouri - Columbia.

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Date Created: 09/17/15
1 Describe the demographic data collected on our class in terms of means standard deviations etc Age 0 The average mean is 24 0 There is a range of 1847 years 0 Most of our students 68 fall in the 1830 age range based on our standard deviation of 62 0 The average height is 684 inches 0 There is a range of 6178 inches 0 The height of our students falls in the 645 725 inches range based on our standard deviation of 39 0 The average height is 1617 pounds 0 There is a range of 105287 pounds 0 The weight range for our group was l239l995 pounds based on our standard deviation of 378 Is the correlation between age and intimidation positive and high If not what is it The correlation between age and intimidation is 106 which is weak and positive Given The mean height of women in our country is 64 inches Are the women in our class significantly taller than the population average H0 No significant differences exist between the women in our class and the population in terms of height H1 The women in our class are significantly taller than the average population Test One Sample TTest x 05 Sampling distribution Nl 301 29 Table value i2045 Calculated t Value 4843 Since the calculated value of 4483 exceeds the table value of 2045 I will reject the null hypothesis The women in our class mean668 inches are significantly taller than the population average mean64 inches Do undergraduate students take more credit hours than graduate students H0 No significant differences exist between graduates and undergraduates in terms of the amount of credit hours taken H1 Significant differences exist between the amount of credit hours taken between graduates and undergraduates Test Independent Samples t Test on 05 dfN1N223515 248 Table value i2021 Calculated t value 7827 Since the calculated value of 7827 exceeds the table value of 2021 I will reject the null hypothesis Undergraduates take more credit hours than graduate students 5 Is there a difference in the intimidation scores before class and after class Ho No significant difference exists between intimidation scores before and after stats class H1 Significant differences exist in intimidation scores before and after stats class Test Dependent Samples t Test on 05 dfN 150 149 Table value i2021 Calculated t value 6779 Since the calculated value of 6779 exceeds the table value of 2021 I will reject the null hypothesis There is a significant difference in the intimidation scores before and after stats class 6 Are blueeyed people more likely to have blonde hair than people with other color eyes H0 No significant differences exist between blueeyed people having blonde hair than people with other color eyes H1 Significant differences exist between the proportions of people having blue eyes and blonde hair or other color eyes and blonde hair Test X2 for independence of categorical variables x 05 df R1C1 2 12 1 1 Table value 3841 Calculated X2 6551 Since the calculated value of 6551 exceeds the table value of 3841 I will reject the null hypothesis Significant differences exist between the proportions of people having blue eyes and blonde hair than other color eyes and blonde hair There are more people with not blue eyes and not blonde hair than with blue eyes and blonde hair

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