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Gnom [1K]
3 years ago
14

The data below represent the weight losses for people on three different exercise programs.

Mathematics
1 answer:
uysha [10]3 years ago
8 0

Answer:

A. The risk of type l error increases and becomes too high.

Step-by-step explanation:

The overall level of significance increases as the number of t- tests ( used for comparing two, three or four means separately ) increases. This in turn increases the risk of type I error.

We might be tempted to apply the two sample t- test to all possible pairwise comparisons of means. This type of running t- test to several means comparison has the risk of increasing overall level of significance

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this picture is a scale drawing of a basketball court and 1 inch on the picture represents 15 feet of actual length. the dementi
bekas [8.4K]
If one inch represents 15 feet, then:

2 inches represent:
2 * 15 = 30 feet

1 2/3 inches represent:
1 2/3 * 15 =
= 5/3 * 15 =
= 75/3 =
= 25 feet

So the real area of the court is 30 * 25 = 750 square feet.
5 0
3 years ago
There are 40 students in a summer cohort. Of those students, 20 are taking an accounting course, and 25 are taking a Spanish cou
guapka [62]
Answer: 3

Explanation:

Students that takes course one or both courses.

20 + 25 = 45

Students that take course. Not including both courses students.

45 - 8 = 37

Students that doesn’t take course.

40 - 37 = 3
8 0
3 years ago
What is the rate of change/slope?
irakobra [83]

Answer:

35 miles per hour

Step-by-step explanation:

The slope is

m = (y2-y1)/*x2-x1)

   = (280-210)/(8-6)

   = 70/2

    = 35 miles per hour

7 0
3 years ago
Keith has $500 in a savings account at the beginning of
k0ka [10]

Answer:

500-25w\geq200

Step-by-step explanation:

3 0
3 years ago
Sheila buys some boxes of pens, with 20 pens in each box.
Bond [772]
Take the number of pen per box and multiply by the number of boxes giving you the total number of pens bought
5 0
3 years ago
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