2 years ago

How many times does 12 go into 150?

Mathematics

2 answers:

mina [271]2 years ago

4 0

12 times and there’s a half leftover

defon2 years ago

3 0

Answer:

The quotient (integer division) of 150/12 equals 12; the remainder (“left over”) is 6.

Step-by-step explanation:

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2 years ago

One sample has Aa Aa One sample has n 10 scores and a variance of s2 20, and a second sample has n 15 scores and a variance of s

siniylev [52]

Answer:

option (a) It will be closer to 30 than to 20

Step-by-step explanation:

Data provided in the question:

For sample 1:

n₁ = 10

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For sample 2:

n₂ = 15

variance, s₂² = 30

Now,

The pooled variance is calculated using the formula,

$S^{2}_{p} = \frac{(n_{1}-1)\times s^{2}_{1} +(n_{2}-1)\times s^{2}_{2}}{n_{1}+n_{2}-2}$

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The correct answer is option (a) It will be closer to 30 than to 20

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