.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
icon
Related questions
Question
letter d only
.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.?
с.
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.?
Transcribed Image Text:.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.? с. 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.?
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill