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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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Anna is reading a 300-page book. She can read a page in two minutes. If she has finished reading 75 percent of the pages, how ma
Daniel [21]

Answer:

150 minutes

Step-by-step explanation:

If Anna read 75% of her 300-page book, then she has already read:

300 × 75%

= 300×0.75

= 225

225 pages.

If Anna has already read 225 pages, then she has:

300 - 225 = 75

75 pages left still to read.

If Anna reads 2 minutes per page, then she has

75 × 2 = 150 minutes.

She has 150 minutes of reading left to finish her book.

By the way, it's weird to say you have 150 minutes of something to do. In real life 150 minutes = 2 1/2 hours. jfyi. Have a great day!

3 0
1 year ago
7(9k + 6m) <br><br><br>(50 points)
vladimir1956 [14]

21 • (3k + 2m)

Step by step solution :

Step  1  :

Step  2  :

Pulling out like terms :

2.1     Pull out like factors :

  9k + 6m  =   3 • (3k + 2m)  

Final result :

 21 • (3k + 2m)

6 0
2 years ago
Read 2 more answers
What is the area of the figure shown?
Tatiana [17]
The area is 105 mm
8 0
2 years ago
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(-2q^4)(-8q^3b^6)<br>help I need to simplify this problem
Montano1993 [528]
Multiply the constants. Multiply the variables according to the rules of exponents.
(-2q^{4})(-8q^{3}b^{6}) = ((-2)(-8))q^{(4+3)}b^{6}\\\\=16q^{7}b^6}
4 0
3 years ago
The price of one share of ace company declined $5 per day for 5 days in a row. How much did the price of one share change in tot
Sergeu [11.5K]

Answer: The price declined $25 in the 5 days.

Step-by-step explanation:

5 * 5 = 25

3 0
3 years ago
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