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Scorpion4ik [409]
2 years ago
5

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably norma

lly distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used.
Find the endpoints of the t-distribution with 2.5% beyond them in each tail if the samples have sizes n1=16 and n2=21.
Enter the exact answer for the degrees of freedom and round your answer for the endpoints to two decimal places.
Mathematics
1 answer:
ollegr [7]2 years ago
4 0

Answer:

Don't go on that link its a virus

Step-by-step explanation:

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Is 25,365 cm greater or less than 30 m
anyanavicka [17]
25365cm÷100=m
                          =253.65m
25365 is less than 30m
6 0
3 years ago
Nevaeh is decorating the Christmas tree. She has 85 red bulbs, 76 green bulbs, 49 yellow bulbs, and 52 blue bulbs.
vodka [1.7K]

Answer:

A) Red and Blue Bulbs

B) 262 lightbulbs.

Step-by-step explanation:

A) red and blue = 85+52=137

Yellow and green = 76+49=125

Answer to A is Red and Blue bulbs

Bulbs in all: We already know from A that there are 137 and 125 so 137+125 is 262.

Hope this helps plz hit the crown :D

5 0
3 years ago
One of the angles of a parallelogram is 36° greater than another one. Find the angles of the parallelogram. PLEASE HELP IM DYING
hodyreva [135]
I would help but I need more information help me help you

7 0
3 years ago
Norma Ann planned a rectangular courtyard, as shown in the scale drawing below. She decides to change the width, the shorter sid
trapecia [35]

Answer: 45 / 40 ft

Step-by-step explanation:

Given that She decides to change the width, the shorter side of the courtyard, from 45 ft to 40 ft. Which expression finds the change in the scale factor?

Actual width of shorter side = 45 ft

New width of shorter side = 40 ft

Scale factor is the ratio of the actual length to the new or intended length

Scale factor = Actual width / New width

Hence, scale factor :

45 ft / 40 ft

7 0
3 years ago
What is the median age showed in the box and whisker plot?
hoa [83]

Answer:

D

Step-by-step explanation:

I'm not 100% percent sure but I believe its that one

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