For questions 6 through 10 use the dataset labeled "CokevsPepsi.xls". In the column of data a...
For questions 6 through 10 use the dataset labeled "CokevsPepsi.xls". In the column of data a "1" indicates the student prefers Coke and a "0" indicates a preference for Pepsi. What is the sample proportion of Stats 2 student that prefer Coke over Pepsi?
| 1 = Prefer Coke |
| 1 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 0 |
| 1 |
| 1 |
| 1 |
| 1 |
| 0 |
| 1 |
| 1 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 0 |
| 1 |
| 0 |
| 1 |
| 1 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 0 |
| 1 |
| 1 |
Homework Answers
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For questions 6 through 10 use the dataset labeled
"CokevsPepsi.xls". In the column of data a...
Column A contains a generic dataset. Column C is a list of questions that correspond to...
Column A contains a generic dataset. Column C is a list of
questions that correspond to the questions below. Column D
indicates which Excel function(s) that question is designed to
teach. Column E is where you will work with the function(s) to
generate the answer to each question. And finally Column F displays
the formula you used to generate your answer in Column E.
To place your answers from Column E into the blanks below, use
the copy/paste keyboard shortcut:...
Complete the problem below. You may work in a small group, but each student must turn...
Complete the problem below. You may work in a small group, but each student must turn in their own worksheet! 1) Market research shows that 65% of consumers prefer Coke over Pepsi. A new Coke commercial is released to increase brand awareness of Coke. 200 consumers were surveyed showed that 135 preferred Coke over Pepsi. We want to test to see if the commercial resulted in an increased preference for Coke i) What are the null and alternative hypotheses that...
1. Please use this dataset to answer the following questions: 4, 3, 6, 5, 3, 2,...
1. Please use this dataset to answer the following questions: 4, 3, 6, 5, 3, 2, 4, 5, 7, 6, 3, 4, 6, 6, 1, 7, 8, 8, 23, 4, 0, 2, 6, 9, 6, 1, 5, 7, 4, 5 (1) Please calculate mean, median and mode. (2) Please calculate sample standard deviation. (3) According to your answer in part (2), please explain why sample standard deviation can never be negative. (4) Please calculate first quartile, second quartile, and third...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for soft drink. According to your survey results; 40 people prefer Coke, 30 people prefer Pepsi, 25 people prefer Sprite, 15 people prefer Dr Pepper and 10 people prefer 7-up What is the sample size 15 points) i. Contract the frequency relative frequency table (20 points) Q2). Suppose that following data represents a sample of weight measurements collected at random. 182, 169, 114, 202, 144...
Use the dataset of ranks presented below for Questions 4-6. Note: Show your work on a...
Use the dataset of ranks presented below for Questions 4-6. Note: Show your work on a separate sheet. You will be asked to upload a scan/picture at the end of the test. Therapist Ranking (x) Number of Clients Ranking (y) I 2 55 7 Compute the Spearman's rho correlation coefficient for the dataset. Express your answer to 3 decimal places. (The data are already in the form of ranks, there is no need to convert the scores.) QUESTION 5 What...
Assignment 7: Conjoint Analysis Please finish the following assignments in Excel and submit the Excel file...
Assignment 7: Conjoint Analysis Please finish the following assignments in Excel and submit the Excel file onto Pilot. There are two respondents on Coke and Pepsi in data “conjoint_practice.xsls”. The two products are characterized by the following attributes Price (4 levels): $3.50, $3.75, $4.00, $4.25 Brand: Coke vs Pepsi Type: Diet vs Regular Choice Price d_coke d_regular Coke or Pepsi Diet or Regular Respondent 1 Respondent 2 Profiles Respondent 2 1 $3.50 $1.00 $0.00 C D 18 20 Choice Price...
Q1 Please use this sample dataset to answer the following questions: 3 26 38 22 21...
Q1 Please use this sample dataset to answer the following questions: 3 26 38 22 21 35 10 16 13 22 13 25 28 36 10 4 17 15 46 32 (1) Please calculate mean, median, and mode. (2) Please calculate sample variance and sample standard deviation. (3) Please draw the stem-n-leaf plot.
Q1 Please use this sample dataset to answer the following questions: 3 26 38 22 21...
Q1 Please use this sample dataset to answer the following questions: 3 26 38 22 21 35 10 16 13 22 13 25 28 36 10 4 17 15 46 32 (1) Please calculate mean, median, and mode. (2) Please calculate sample variance and sample standard deviation. (3) Please draw the stem-n-leaf plot.
Problem 6 (20 points) For the following dataset of 20 values 0 10 25 30 30...
Problem 6 (20 points) For the following dataset of 20 values 0 10 25 30 30 50 65 76 100 113 130 130 165 175 179 180 78 185 199 (1) Find its sample mean (2) Find its five-number summary (3) Draw a boxplot for the dataset in the following grid 0 20 40 60 80 100 120 140 160 180 200 (4) Draw a histogram for the dataset in the following grid with 10 bins and decide the bin...
Consider the data presented below of a dataset of midterm exam scores from last year’s stats...
Consider the data presented below of a dataset of midterm exam scores from last year’s stats class. Do the following: Group them into a frequency distribution employing a class width of i = 10. Create a summary table showing: The class intervals The upper and lower real limits of each class interval The midpoints of each class interval The grouped frequency distribution of each class interval The cumulative frequency for each class interval The cumulative proportion of each class interval...
Column A contains a generic dataset. Column C is a list of
questions that correspond to the questions below. Column D
indicates which Excel function(s) that question is designed to
teach. Column E is where you will work with the function(s) to
generate the answer to each question. And finally Column F displays
the formula you used to generate your answer in Column E.
To place your answers from Column E into the blanks below, use
the copy/paste keyboard shortcut:...
Complete the problem below. You may work in a small group, but each student must turn in their own worksheet! 1) Market research shows that 65% of consumers prefer Coke over Pepsi. A new Coke commercial is released to increase brand awareness of Coke. 200 consumers were surveyed showed that 135 preferred Coke over Pepsi. We want to test to see if the commercial resulted in an increased preference for Coke i) What are the null and alternative hypotheses that...
QUESTION 1 Q1). Suppose that you chose a random sample to find out the preference for soft drink. According to your survey results; 40 people prefer Coke, 30 people prefer Pepsi, 25 people prefer Sprite, 15 people prefer Dr Pepper and 10 people prefer 7-up What is the sample size 15 points) i. Contract the frequency relative frequency table (20 points) Q2). Suppose that following data represents a sample of weight measurements collected at random. 182, 169, 114, 202, 144...
Use the dataset of ranks presented below for Questions 4-6. Note: Show your work on a separate sheet. You will be asked to upload a scan/picture at the end of the test. Therapist Ranking (x) Number of Clients Ranking (y) I 2 55 7 Compute the Spearman's rho correlation coefficient for the dataset. Express your answer to 3 decimal places. (The data are already in the form of ranks, there is no need to convert the scores.) QUESTION 5 What...
Problem 6 (20 points) For the following dataset of 20 values 0 10 25 30 30 50 65 76 100 113 130 130 165 175 179 180 78 185 199 (1) Find its sample mean (2) Find its five-number summary (3) Draw a boxplot for the dataset in the following grid 0 20 40 60 80 100 120 140 160 180 200 (4) Draw a histogram for the dataset in the following grid with 10 bins and decide the bin...
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