Exam 5: Standard Scores Z Scores
Exam 1: Science and Statistics17 Questions
Exam 2: Organizing Data, Variables and Measurement13 Questions
Exam 3: Measures of Central Tendency16 Questions
Exam 4: Measures of Variation23 Questions
Exam 5: Standard Scores Z Scores12 Questions
Exam 6: Probability, Hypothesis Testing and Inferential Statistics12 Questions
Exam 7: The Single-Sample Z Test10 Questions
Exam 8: The Single-Sample T Test15 Questions
Exam 9: The T Test for Independent Groups Samples32 Questions
Exam 11: Comparing More Than Two Groups19 Questions
Exam 12: One-Way Between-Subjects Analysis of Variance Anova21 Questions
Exam 13: One-Way Repeated Measures Anova16 Questions
Exam 14: Using Designs With More Than One Independent Variable and Two-Way Between-Subjects Anova13 Questions
Exam 15: Correlational Research and Correlation Coefficients22 Questions
Exam 16: Advanced Correlational Techniques: Regression Analysis9 Questions
Exam 17: Chi-Square Tests21 Questions
Exam 18: Tests for Ordinal Data19 Questions
Select questions type
Henry's first history exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean of 65 and a standard deviation of 5. Henry's percentile rank would be approximately:
Free
(Multiple Choice)
4.8/5
(33)
Correct Answer:
A
In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5. Approximately what percentage of students have scores between 65 and 95?
Free
(Multiple Choice)
4.9/5
(35)
Correct Answer:
D
Sue's first psychology exam score is -2 standard deviations from the mean in a normal distribution. The test has a mean of 75 and a standard deviation of 5. Sue's percentile rank would be approximately:
Free
(Multiple Choice)
4.9/5
(29)
Correct Answer:
B
Faculty in the Psychology Department at State University consume an average of 5 cups of coffee per day with a standard deviation of 1.5. The distribution is normal. What is the percentile rank for an individual who consumes 8 cups of coffee per day?
(Multiple Choice)
4.8/5
(30)
An individual at the 50th percentile would have a z score of _____.
(Multiple Choice)
4.9/5
(37)
Students in a psychology department consume an average of 5 cups of coffee per day with a standard deviation of 1.75 cups. The number of cups of coffee consumed is normally distributed.
-• What proportion of students consume an amount equal to or less than 6 cups per day?
(Short Answer)
4.9/5
(31)
In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5. Approximately what percentage of students have scores between 75 and 85?
(Multiple Choice)
4.8/5
(34)
Lee's first history exam score is +2 standard deviations from the mean in a normal distribution. The test has a mean of 65 and a standard deviation of 5. Lee's percentile rank would be approximately:
(Multiple Choice)
4.7/5
(37)
An individual at the 25th percentile would have a z score of approximately _____.
(Multiple Choice)
4.8/5
(36)
Students in a psychology department consume an average of 5 cups of coffee per day with a standard deviation of 1.75 cups. The number of cups of coffee consumed is normally distributed.
-• How many cups would an individual at the 80th percentile drink?
(Short Answer)
4.9/5
(24)
If the average height for women is normally distributed with a mean of 65 inches and a standard deviation of 2.5 inches, then approximately 68% of all women should be between _____ and _____ inches in height.
(Multiple Choice)
4.9/5
(34)
An individual at the 75th percentile would have a z score of approximately _____.
(Multiple Choice)
4.9/5
(38)
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)