On a recent quiz, the class mean was 71 with a standard deviation of 3.8. Calculate the z-score (to at least 2 decimal places) for a person who received score of 59. Z-score: Is this unusual? Unusual O Not Unusual

Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 20.2 and the standard deviation was 4.9. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) OA. Test scores that are greater than OB. Test scores that are between OC. Test scores that are less than and (Round to one decimal place as needed. Use ascending order.) (Round to one decimal place as needed.) Select the correct answer below and fill in the answer box(es) to complete your choice. What test scores are significantly high? OA. Test scores that are less than OB. Test scores that are greater than OC. Test scores that are between and…

The mean score for first exam in your first organic chemistry class (section A) was 60, with a standard deviation of 5. Your score on the exam was 70. A. How many standard deviations above the mean is your score?

Suppose a set of data has a sample mean of 112 and a sample standard deviation of 8.3. What is the z-score for the value 127.8? Round the z-score to two decimal places.   Your Answer:

Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the z- score of a man who is 64.3 inches tall. (to 4 decimal places) 249.04

On a recent quiz, the class mean was 69 with a standard deviation of 3.8. Calculate the z-score (to 4 decimal places) for a person who received score of 73. z-score: (2 decimal places) Is this unusual? O Not Unusual O Unusual

Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.8 and the standard deviation was 4.6. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are greater than (Round to one decimal place as needed.) O B. Test scores that are less than (Round to one decimal place as needed.) O C. Test scores that are between and (Round to one decimal place as needed. Use ascending order.)

On a recent quiz, the class mean was 74 with a standard deviation of 4.6. Calculate the z-score (to 2 decimal places) for a person who received score of 80. z-score: Is this unusual? O Not Unusual O Unusual

On a recent quiz, the class mean was 71 with a standard deviation of 2.5. Calculate the z-score (to 4 decimal places) for a person who received score of 70. z-score: Is this unusual? O Not Unusual O Unusual