Mathematics, 25.07.2020 03:01 glocurlsprinces
A teacher wants to compare scores on a geology exam for two classes. The difference between the sample means is 21.4. If the standard deviation of the distribution of the difference between sample means is 16.66, and she is testing the hypothesis at the 68% confidence level, which statement is true? a)The difference between the two means is significant, so the null hypothesis must be accepted. b)The difference between the two means is not significant, so the alternative hypothesis must be rejected. c)The difference between the two means is not significant, so the null hypothesis must be rejected. d)The difference between the two means is not significant, so the alternative hypothesis must be accepted. e)The difference between the two means is significant, so the alternative hypothesis must be accepted.
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Mathematics, 21.06.2019 20:30
Which shows the graph of the solution set of 3y β 2x > β18?
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Mathematics, 21.06.2019 23:40
20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range
Answers: 1
A teacher wants to compare scores on a geology exam for two classes. The difference between the samp...
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