(a)
To organize: the verbal scores and mathematical scores into two matrices.
(a)
Answer to Problem 26PPS
The verbal scores is
Explanation of Solution
Given:
A table showing the average SATs scores of males and females is given.
Year | Verbal Score | Mathematical score | ||
Male | Female | Male | Female | |
1998 | 509 | 502 | 531 | 496 |
2000 | 507 | 504 | 533 | 498 |
2002 | 507 | 502 | 534 | 500 |
2004 | 512 | 504 | 537 | 501 |
2005 | 513 | 505 | 538 | 504 |
Calculation:
First we organize verbal score into a matrix V.
Male Female
Next we organize Mathematical score into a matrix M.
Male Female
Conclusion:
Therefore, the verbal scores is
(b)
To find: the total score that males and females earned on the SAT’s each year.
(b)
Answer to Problem 26PPS
Total score that males and females earned on the SATs each year is
Explanation of Solution
Calculation:
Total score that males and females earned on the SATs each year
Conclusion:
Therefore, total score that males and females earned on the SATs each year is
(c)
To express: the difference between the verbal and mathematical scores in a matrix.
(c)
Answer to Problem 26PPS
The difference between the verbal and mathematical scores in a matrix is
Explanation of Solution
Calculation:
Difference between the verbal and mathematical on the SATs each year
Conclusion:
Therefore, the difference between the verbal and mathematical scores in a matrix is
Chapter 6 Solutions
Algebra 1
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