The mean length of one-year-old spotted flounder, in millimeters, is 127 with st

Question

The mean length of one-year-old spotted flounder, in millimeters, is 127 with standard deviation of 17. The flounder that was 136 milimeters in length. What is the z-score for this length? Write only a number as your answer. Round your answer to two decimal places (for example: 3.15). distribution of flounder lengths is approximately bell-shaped. Suppose that Anna caught a one-year-old spotted Your Answer: Answer Save Question 4 (1.25 points) The mean score on the ACT test was 24.6 an the standard deviation was s.9 . The distibutions of scores was approximately bell-shaped. Compute the z-score for an ACT test score of t4 Write only a number as your answer. Round your answer to two decimal places (for example: 3.1.5). Your Answer: Answer Save

Explanation / Answer

Answers to both the questions below:

3.

The Z score is basically the normalized value of 136
So, Z = (X-Mu)/Sigma = (136-127)/17 = .53

4.

Mean = 24.6
Stdev = 5.9
Z score for a score of 14 = (X-Mu)/sigma = (14-24.6)/5.9 = -1.80

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.