Mathematics, 28.06.2021 17:20 tatielder4896
A proposed null hypothesis states that there is no difference in the population mean heights of males of two neighboring towns. The sample mean difference is found to be 10 cm, and the standard deviation of the difference of the sample means is 6 cm. Which statement is true?
A.
The null hypothesis must be rejected if we choose the 68% confidence level.
B.
The null hypothesis must be rejected if we choose the 95% confidence level.
C.
The null hypothesis must be rejected if we choose the 99.7% confidence level.
D.
The null hypothesis must be rejected if we choose the 100% confidence level.
Answers: 2
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108
Answers: 1
Mathematics, 21.06.2019 17:00
When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?
Answers: 2
Mathematics, 21.06.2019 17:00
Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3
Answers: 1
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