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QUESTION 4 This semester , we collected data at the beginning of the semester on a...
Here is a chart depicting some of the data I collected at the beginning of the...
Here is a chart depicting some of the data I collected at the beginning of the semester. ID# What is your GPA? What grade are you in? How many books have you read this year? 1 3.74 Sophomore 8 2 3.07 Junior 2 3 3.2 Junior 5 4 3.5 Freshman 10 5 2.75 Freshman 1 6 2.6 Senior 2 7 2.72 Junior 8 8 3.4 Junior 3 9 4 Freshman 3 10 3 Junior 3 11 3.2 Senior 2 12...
please peovide coding in R: with a data of 13 variables and 200 observations Using the...
please peovide coding in R:
with a data of 13 variables and 200 observations
Using the variable CLASS, test at 5% significance level to
test the claim that the
proportions of Freshmen, Sophomores, Juniors, and Seniors are
the same.
2. Repeat part (a) for the variable COLLEGE.
RLM ENGLISH MATH COMP 21 16 25 839SSESSOR 8 F 17 F N H ABCD 1 SEX HSP GPA AGE CREDITS CLASS COLLEGE MAJOR RESIDENCY TYPE 2 Transfer Blochm Resident F 75 2.39...
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A -...
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A - {x|x is an odd natural number and x < 10} B = {x|x is an even natural number and x < 10} C = {x|XEN and 3<x<5} Find the set. BnU O U or {1, 2, 3, 4, 5, 6, 7, 8, 9} U or {1, 2, 3, 4, 5, 6, 7, 8, 9, 10; Bor {2, 4, 6, 8, 10} O B or...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the data gathered by researchers, from a random sample of undergraduate students during Spring 2015. 1. It is estimated that that Shoe size of adults 18-20 yrs. Follows a normal distribution with mean 9.5 and sd-2 (55 follows N(9.5, 2)). Test if this is true for the sample of 31 students using the 68, 95, 99.5 rule for normal distributions. Interval Number in this interval...
QUESTION 7 The data set Beer Large, which can be found in StatCrunch Shared Data Sets,...
QUESTION 7 The data set Beer Large, which can be found in StatCrunch Shared Data Sets, gives the Alcohol, Carbohydrates and Calories for different brands of beer. The explanatory variable is x + Carbohydrates and the response variable is Y - Calories. Use this information to answer: Calculate the correlation between carbohydrates and calories. (4 decimal places) Row vars varo var var 8 var9 var 10 2 الميا ABV 4.1 5.4 4.43 4.13 5.9 4.9 Carbs 2.6 13.7 5.8 5...
The subjects in the data are college students. In the data, id is student ID, anxiety...
The subjects in the data are college students. In the data, id is student ID, anxiety is student’s anxiety score via Anxiety Scale, selfest is student’s self-esteem score via Rosenberg Self-esteem Scale, GPA is student’s GPA; for gender, 0=female, 1=male; for grade, 1=freshman, 2=junior, 3=senior. We have known that population mean for Anxiety Scale is μ=60 with σ=10. Raise relevant questions ( 2 questions is fine) about the data extensively, the questions can be either about descriptive analysis or inferential...
Use the Tornadoes Data and your statistical expertise to answer the questions: Is it reasonable to claim that the averag...
Use the Tornadoes Data and your statistical expertise to answer the questions: Is it reasonable to claim that the average number of observed tornadoes per year is different from the average number of tornado related deaths per year? 5. What test/procedure did you perform? a. One-sided t-test b. Two-sided t-test c. Regression d. Confidence interval 6. What is the P-Value/margin of error? a. 0.007034504 b. 0.34922 c. 4.07497E-24 d. 2.03749E-24 e. None of these 7. Statistical Interpretation a. Since P-value...
We are interested in the relationship between the compensation of Chief Executive Officers (CEO) ...
We are interested in the relationship between the compensation of Chief Executive Officers (CEO) of firms and the return on equity of their respective firm, using the dataset below. The variable salary shows the annual salary of a CEO in thousands of dollars, so that y = 150 indicates a salary of $150,000. Similarly, the variable ROE represents the average return on equity (ROE)for the CEO’s firm for the previous three years. A ROE of 20 indicates an average return...
Is it reasonable to claim that the average number of observed tornadoes per year is different...
Is it reasonable to claim that the average number of observed tornadoes per year is different from the average number of tornado related deaths per year? 5. What test/procedure did you perform? a. One-sided t-test b. Two-sided t-test c. Regression d. Confidence interval 6. What is the P-Value/margin of error? a. 0.007034504 b. 0.34922 c. 4.07497E-24 d. 2.03749E-24 e. None of these 7. Statistical Interpretation a. Since P-value is very small we are confident that the number of tornadoes will...
please peovide coding in R:
with a data of 13 variables and 200 observations
Using the variable CLASS, test at 5% significance level to
test the claim that the
proportions of Freshmen, Sophomores, Juniors, and Seniors are
the same.
2. Repeat part (a) for the variable COLLEGE.
RLM ENGLISH MATH COMP 21 16 25 839SSESSOR 8 F 17 F N H ABCD 1 SEX HSP GPA AGE CREDITS CLASS COLLEGE MAJOR RESIDENCY TYPE 2 Transfer Blochm Resident F 75 2.39...
QUESTION 14 In the exercise below, let U = {x|XEN and x < 10} A - {x|x is an odd natural number and x < 10} B = {x|x is an even natural number and x < 10} C = {x|XEN and 3<x<5} Find the set. BnU O U or {1, 2, 3, 4, 5, 6, 7, 8, 9} U or {1, 2, 3, 4, 5, 6, 7, 8, 9, 10; Bor {2, 4, 6, 8, 10} O B or...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the data gathered by researchers, from a random sample of undergraduate students during Spring 2015. 1. It is estimated that that Shoe size of adults 18-20 yrs. Follows a normal distribution with mean 9.5 and sd-2 (55 follows N(9.5, 2)). Test if this is true for the sample of 31 students using the 68, 95, 99.5 rule for normal distributions. Interval Number in this interval...
QUESTION 7 The data set Beer Large, which can be found in StatCrunch Shared Data Sets, gives the Alcohol, Carbohydrates and Calories for different brands of beer. The explanatory variable is x + Carbohydrates and the response variable is Y - Calories. Use this information to answer: Calculate the correlation between carbohydrates and calories. (4 decimal places) Row vars varo var var 8 var9 var 10 2 الميا ABV 4.1 5.4 4.43 4.13 5.9 4.9 Carbs 2.6 13.7 5.8 5...
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