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kakasveta [241]
2 years ago
12

Does increase in sample size increases degrees of freedom for t-tests.

Mathematics
1 answer:
Elena-2011 [213]2 years ago
3 0
Basically degrees of freedom are related to sample size (n-1). If the df increases, it also stands that the sample size is increasing; the graph of the t-distribution will have skinnier tails, pushing the critical value towards the mean.
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a sixth grade student can complete 20 multiplication facts in one minute if you works at the same rate how long should it take h
melamori03 [73]

Answer:

It should take him <u>1.75 minutes</u> to complete 20 multiplication facts, which is the same thing as 1 minute and 45 seconds, or 105 seconds.

Step-by-step explanation:

a. If it takes him one minute to complete 20 multiplication facts, that's 3 seconds per question, because 60/20 = 3.

b. Multiply 3 x 35 questions to get 105 seconds.

c. Divide 105 seconds by 60 seconds (60 in a minute) to get 1.75 minutes, which is the same thing as 105 seconds.

Hope this helps! Feel free to give me Brainliest if you feel this helped. Have a good day and good luck on your assignment. :)

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