C D Not secure www. veba sign net web Student Assignment-Responsesistdp-t769874

Question

C D Not secure www. veba sign net web Student Assignment-Responsesistdp-t769874 t Viewing Saved Work Revert to Last Response 2 HW 116 hers attended a seminar on mathematical problem solving. The attitudes of representative sample of 12 of the teachers were measured before and after th number for change in attitude indicates that a teachers attitude toward math became more positive. The twelve change scores are as follows. Part (a) What is the mean change score? (Round your answer to two decimal places ) Part (b) What is the standard deviation for this sample? (Round your answer to two decimal places) O Part (c) What is the median change score? (Round your answer to one decimal place) Part (d) score that is 2 2 standard deviations below the mean (Round your answer to one decimal place) that Find the change 1/31/2018 0 Type here to search

Explanation / Answer

The statistical software output for this problem is:

Summary statistics:

Hence,

Mean change score = 2

Standard deviation = 3.54

Median = 1.5

Score that is 2.2 standard deviations below mean = 2 - 2.2*3.54 = - 5.8

Column Mean Std. dev. Median Data 2 3.5419563 1.5

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

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