Mathematics, 05.06.2020 16:58 Tmerchy
Julie conducts an experiment to find the average word length in a book for a 4th grader and a book for a 8th grader. She finds that for
the fourth grade book the mean word length is 5 letters with a range of 6 and for the 8th grade book the mean word length is 6
letters with a range of 9. Which statement is true?
A)
On average, the book for the 4th grader has longer words.
B)
There is not enough information to know if any of the above are true.
C)
The word length varies more in the 8th grade book than the 4th grade
book.
The longest word in the book for the 4th grader is longer than that in the
8th grade book.
D)
Answers: 1
Mathematics, 21.06.2019 20:30
For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.
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Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
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Mathematics, 21.06.2019 22:40
Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5
Answers: 1
Mathematics, 22.06.2019 01:00
Which of the following is another way to express the difference between -5 and 8?
Answers: 1
Julie conducts an experiment to find the average word length in a book for a 4th grader and a book f...
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