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monitta
3 years ago
15

A list has 10 numbers. Each number is a 1, 2, or 3. The average is 2 and the SD is 0. What is the list?

Mathematics
1 answer:
OLga [1]3 years ago
7 0

Answer:

1, 1, 1, 2, 2, 2, 2, 3, 3, 3

Step-by-step explanation:

Since the standard deviation = 0

And the mean of the number = 2

If X is the sum of all the numbers, then

X/10 = 2

Cross multiply and make X the subject of formula

X = 2 × 10 = 20

The sum of the numbers will be 20

The number will be

1, 1, 1, 2, 2, 2, 2, 3, 3, 3

The sum of the above numbers is equal to 20 and the average value of the numbers is equal to 2.

Kara
3 years ago
But how is the SD 0?
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4 years ago
Read and answer questions
Rainbow [258]

If a college has 17 tutors to be appointed among the students in four departments, and the number of students in each department is 315, 310, 105 and 80 respectively, the Standard Divisor is 47.647

As per the question statement, a college has 17 tutors to be appointed among the students in four departments, and the number of students in each department is 315, 310, 105 and 80 respectively.

We are required to calculate the Standard Divisor of the above mentioned problem.

To solve this question, we need to know the formula to calculate the standard divisor, which goes as,

Standard Divisor = [(Total Population)/(Number of Candidates)]

Here, the total population of students = (315 + 310 + 105 + 80) = 810

And, the number of teachers to be appointed = 17 (given)

Therefore, Standard Divisor  = (810 / 17) = 47.647

  • Standard Divisor: In Mathematics, standard divisor is the quotient of the total population divided by the number of seats (or other allocations) to be distributed.

To learn more about Standard Divisor, click on the link below

brainly.com/question/17123675

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5 0
1 year ago
Pls ill give brainelist
faust18 [17]

Answer:

D. 102

Step-by-step explanation:

All angles added together: 80,

so:

180-13-65

180-78

102

4 0
3 years ago
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Help me please!!!! asap Tia​
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Answer:

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Which number is greater 87or63.88?
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87 is greater than 63.88
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