.5 .25 1.4 1.5 .85 .20 1.5 1.75 .10 .65 .75 2 1 1.10 1.65 1.4 .6 .35 .40 .25 a. What is the mean number of hours spent by the students? variance? standard deviation? b. What is the z-score of size .5 hrs.? C. How many percent of students have a number of hours spent between .5 to 1 hr.? Show the areas in the normal curve. d. What is the percentile rank of a student who travels .75 hrs.?
.5 .25 1.4 1.5 .85 .20 1.5 1.75 .10 .65 .75 2 1 1.10 1.65 1.4 .6 .35 .40 .25 a. What is the mean number of hours spent by the students? variance? standard deviation? b. What is the z-score of size .5 hrs.? C. How many percent of students have a number of hours spent between .5 to 1 hr.? Show the areas in the normal curve. d. What is the percentile rank of a student who travels .75 hrs.?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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