Mathematics, 04.12.2019 05:31 jayjay2006
Which of the following may be used to check the conditions needed to perform a two sample test for mean (independent samples)?
i. both populations are approximately normally distributed
ii. both sample sizes greater than 30
iii. population of differences is approximately normally distributed
a) i or iii
b) ii or iii
c) i or ii
d) i, ii, or iii
Answers: 2
Mathematics, 21.06.2019 22:00
Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6
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Given abc find the values of x and y. in your final answer, include all of your calculations.
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Mathematics, 22.06.2019 01:30
As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?
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Which of the following may be used to check the conditions needed to perform a two sample test for m...
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