Construct a scatterplot, and comment on any inter- esting features. a. b. C. b. Find the equation of the least-squares line that sum- marizes the relationship between x = 1996 fourth- grade math proficiency percentage and y = 2000 eighth-grade math proficiency percentage. ŷ = −3.14 + 1.52x c. Nevada, a western state not included in the data set, had a 1996 fourth-grade math proficiency of 14%. What would you predict for Nevada's 2000 eighth- grade math proficiency percentage? How does your prediction compare to the actual eighth-grade value of 20 for Nevada? 5. te in ae of CO 5.72 numba 08x 5.71 Percentages of public school students in fourth grade in 1996 and in eighth grade in 2000 who were at or above the proficient level in mathematics were given in the article "Mixed Progress in Math" (USA Today, August 3, 2001) for eight western states: State 4th grade (1996) 8th grade (2000) Arizona 15 21 California 11 18 Hawaii 16 16 Montana 22 37 New Mexico Oregon Utah Wyoming 2232 19 13 13 21 32 225 26
Construct a scatterplot, and comment on any inter- esting features. a. b. C. b. Find the equation of the least-squares line that sum- marizes the relationship between x = 1996 fourth- grade math proficiency percentage and y = 2000 eighth-grade math proficiency percentage. ŷ = −3.14 + 1.52x c. Nevada, a western state not included in the data set, had a 1996 fourth-grade math proficiency of 14%. What would you predict for Nevada's 2000 eighth- grade math proficiency percentage? How does your prediction compare to the actual eighth-grade value of 20 for Nevada? 5. te in ae of CO 5.72 numba 08x 5.71 Percentages of public school students in fourth grade in 1996 and in eighth grade in 2000 who were at or above the proficient level in mathematics were given in the article "Mixed Progress in Math" (USA Today, August 3, 2001) for eight western states: State 4th grade (1996) 8th grade (2000) Arizona 15 21 California 11 18 Hawaii 16 16 Montana 22 37 New Mexico Oregon Utah Wyoming 2232 19 13 13 21 32 225 26
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 11.1EP
Related questions
Question
Transcribed Image Text:Construct a scatterplot, and comment on any inter-
esting features.
a.
b.
C.
b. Find the equation of the least-squares line that sum-
marizes the relationship between x = 1996 fourth-
grade math proficiency percentage and y = 2000
eighth-grade math proficiency percentage. ŷ = −3.14 + 1.52x
c. Nevada, a western state not included in the data set,
had a 1996 fourth-grade math proficiency of 14%.
What would you predict for Nevada's 2000 eighth-
grade math proficiency percentage? How does your
prediction compare to the actual eighth-grade value
of 20 for Nevada?
5.
te
in
ae
of
CO
5.72
numba
Transcribed Image Text:08x
5.71 Percentages of public school students in fourth
grade in 1996 and in eighth grade in 2000 who were at
or above the proficient level in mathematics were given
in the article "Mixed Progress in Math" (USA Today,
August 3, 2001) for eight western states:
State
4th grade (1996)
8th grade (2000)
Arizona
15
21
California
11
18
Hawaii
16
16
Montana
22
37
New Mexico
Oregon
Utah
Wyoming
2232
19
13
13
21
32
225
26
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