Descriptive Statistics
Zola_17
B02StudentAnswerSheet.xlsxWeek 3
| Age | Gender | For the following questions, use only the "age" column: | ||||
| 19 | M | |||||
| 19 | M | Points | Age Frequency Distribution: | Class Width | ||
| 21 | F | |||||
| 24 | M | Class Limits | Midpoint | Freq. | Relative Frequency | Cumulative Relative Freq |
| 19 | F | Low | High | |||
| 19 | M | Limits | 1 | |||
| 19 | F | Freq. | 1 | |||
| 44 | F | Mid. | 1 | |||
| 19 | F | RF | 1 | |||
| 20 | M | CF | 1 | |||
| 22 | M | |||||
| 19 | F | 2 | Mean | *Round to two decimals | ||
| 35 | F | 2 | Median | *Round to one decimal | ||
| 21 | F | 2 | Sample Standard deviation: | *Round to two decimals | ||
| 21 | F | 2 | Q1 | *Round to one decimal | ||
| 19 | F | 2 | Q3 | *Round to one decimal | ||
| 19 | F | |||||
| 19 | M | |||||
| 43 | M | Ogive: | 5 | Ogive: | Polygon: | |
| 19 | F | Polygon | 5 | |||
| 19 | F | |||||
| 20 | F | |||||
| 18 | F | |||||
| 36 | F | Total: | 25 | |||
| 20 | F | |||||
| 20 | M | |||||
| 62 | M | |||||
| 20 | F | |||||
Week 5
| Age | Gender | Points | 95% Confidence Interval for Average Age of Online College Students: | ||
| 19 | M | ||||
| 19 | M | Sample Mean: | 0 | ||
| 21 | F | Sample St. Dev: | 0 | Normal Distribution | |
| 24 | M | 1 | Sample Size: | T-Distribution | |
| 19 | F | ||||
| 19 | M | 2 | Distribution: | ||
| 19 | F | ||||
| 44 | F | 2 | Critical Value: | *2 decimals | |
| 19 | F | ||||
| 20 | M | 2 | Margin of Error: | *2 decimals | Calculation: |
| 22 | M | 1 | Lower Bound: | *2 decimals | Calculation: |
| 19 | F | 1 | Upper Bound: | *2 decimals | Calculation: |
| 35 | F | ||||
| 21 | F | Interpret | |||
| 21 | F | 2 | |||
| 19 | F | ||||
| 19 | F | 95% Confidence Interval for Proportion of Male Online College Students: | |||
| 19 | M | ||||
| 43 | M | 1 | Sample Size: | ||
| 19 | F | 1 | Number of Males: | ||
| 19 | F | 2 | Male Proportion: | Female Proportion | *4 decimals |
| 20 | F | ||||
| 18 | F | 2 | Distribution: | ||
| 36 | F | ||||
| 20 | F | 2 | Critical Value: | *2 decimals | |
| 20 | M | ||||
| 62 | M | 2 | Margin of Error: | *4 decimals | Calculation: |
| 20 | F | 1 | Lower Bound: | *4 decimals | Calculation: |
| 1 | Upper Bound: | *4 decimals | Calculation: | ||
| Interpret | |||||
| 2 | |||||
| 25 | Total Points |
Week 6
| For the following two hypothesis tests, use the alpha = .05 level of confidence | |||
| Points | Claim: The average age of online students is 32 years old. | ||
| 1 | Ho: | Normal Distribution | |
| 2 | Ha: | T-Distribution | |
| Sample mean: | 0 | ||
| Sample St. Dev: | 0 | ||
| 2 | Distribution: | ||
| 2 | Test Statistic: | *2 decimals | Calculation: |
| 2 | p-value: | *4 decimals | |
| 3 | Interpretation: | ||
| Claim: The proportion of males in online classes is 35% | |||
| 1 | Ho: | ||
| 2 | Ha: | ||
| Sample Proportion Males | 0 | Sample Proportion Females | 0 |
| 2 | Distribution: | ||
| 3 | Test Statistic: | *2 decimals | Calculation: |
| 2 | p-value: | *4 decimals | |
| 3 | Interpretation: | ||
| 25 | Total Points |
