What is the percentage of cases falling between the pair of z scores of -2.58 and 1.05?
What is the percentage of cases falling between the pair of z scores of -2.58 and...
Percentage of scores falling between a z of 1.54 and the mean.
Question 4 10 pts Percentage of scores falling between z's of 50 and 1.25. Question 5 10 pts Percentage of scores falling between z's of -53 and +84 Question 6 10 pts On a normal distribution with a mean of 200 and a standard deviation of 50, what percentage of cases will fall between a raw score of 185 and 195?
What percentage of z-scores in the standard normal distribution are between z = -0.33 and z = 0.33? a. 25.86% b. 37.07% c. 12.93% d. 50.00%
To two decimal places, what percentage of the cases in a normal distribution lie between a z-score of 1.00 and a z-score of -1.00?
In a normal distribution N(0,1), what are the two z-scores that will be the lower and upper boundaries for the middle 90 percent of the distribution? Choose the listed values that are the closest to your calculated value! - 1.96 and + 1.96 - 1.96 and + 1.65 - 2.58 and + 2.58 - 2.00 and + 2.58 - 1.65 and + 1.65 - 2.00 and + 2.00
(12 pts) Use the table of z-scores and percentiles to find the percentage of data items in a normal distribution that: a. Lie above z=.3 b. Lie below z=-0.9 c. Lie between z=-2 and z=-0.6
Above which number does 10% of z-scores fall? Between what two z-scores does 95% of the data fall (go into the table- don't use the Empirical rule for this one.)?
For each of the following questions: a. Calculate the z-scores (show your work) b. Draw the theoretical normal curve and locate the raw scores on the curve. c. Shade the area under the curve appropriate to the question or probability of interest. d. Write a complete sentence interpretation. If a distribution of scores has a mean of 75 and a standard deviation of 5 then: 1. What is the probability of a score falling between a raw score of 70...
Given the following pairs of z-values, find the area under the normal curve between each pair of z-values. Refer to the table in Appendix B.1. (Round the final answers to 4 decimal places.) a. z = -1.95 and z = 0.75 b. z = -1.05 and z = -0.75 c. z = 1.77 and z = 2.98 d. z = -2.43 and z = 1.43
n of 15. Using the empirical rule, what percentage of IQ scores are between 90 and 120