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valkas [14]
3 years ago
5

This data set gives the scores of 41 students on a biology exam: {66, 67, 67, 68, 80, 81, 81, 82, 22, 65, 66, 68, 69, 70, 71, 71

, 71, 72, 72, 73, 73, 74, 75, 78, 78, 78, 78, 79, 79, 80, 80, 82, 83, 75, 75, 75, 76, 77, 83, 83, 99} Which of the following is the best measure of the central tendency?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0
I think the answer is 74.
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From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is
Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean \overline x = 56

The formula for calculating the standard error can be expressed as:

S.E = \dfrac{\sigma}{\sqrt{n}}

S.E = \dfrac{14}{\sqrt{49}}

S.E = \dfrac{14}{7}

S.E = 2

Therefore, the standard error of the mean = 2

4 0
3 years ago
The figure shows how a leaf meets the stem of a flower to form two angles.
MrRissso [65]

Answer:

8

Step-by-step explanation:

because the 3x will multiply the e

24 which is 8

4 0
3 years ago
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Which ones are equivalent tell me all that apply:)
Snezhnost [94]

a) second and last one : 32x - 24 and 8*4x - 8*3

b) first and third one : 22y and 7y + 15y

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3 0
3 years ago
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If a semi truck's trailer is 40 feet long, 10 feet wide, and has a height of 8 feet, what is its volume?
Temka [501]

First multiply 40 and 10 to get 400. Then multiply 400 by 8 to get 3,200.

Your answer would be: 3,200

8 0
3 years ago
10 points if you can answer what percent of 20 <br> Is 0.6
UNO [17]
Dividing 20 by 100 gives us 1%. so 0.2 × 3 = 0.6 so it take 3 0.2s to get to 0.6. meaning 0.6 is 3% of 20.

7 0
3 years ago
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