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3 years ago

7

Pls Help. Just need a little help on the problem need to know how to find the answer and help getting the answer pls and thank y

ou

1 answer:

exis [7]3 years ago

5 0

The number of small paper clips in each box

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11. Jim travelled at a speed of 18km/h for 2 hours. What was the distance covered?

Igoryamba

Answer:

d = 36 km

Step-by-step explanation:

Speed of Jim, v = 18 km/h

Time, t = 2 hours

We need to find the distance covered. We know that the speed of an object is equal to the distance covered by it divided by total time taken.

$v=\dfrac{d}{t}\\\\d=v\times t\\\\d=18\ km/h\times 2\ h\\\\=36\ km$

So, he will cover 36 km.

7 0

4 years ago

A sample is selected from a population with μ = 46, and a treatment is administered to the sample. After treatment, the sample m

Georgia [21]

Answer:

0.5

Step-by-step explanation:

Solution:-

- The sample mean before treatment, μ1 = 46

- The sample mean after treatment, μ2 = 48

- The sample standard deviation σ = √16 = 4

- For the independent samples T-test, Cohen's d is determined by calculating the mean difference between your two groups, and then dividing the result by the pooled standard deviation.

Cohen's d = $\frac{u2 - u1}{sd_p_o_o_l_e_d}$

- Where, the pooled standard deviation (sd_pooled) is calculated using the formula:

$sd_p_o_o_l_e_d =\sqrt{\frac{SD_1^2 +SD_2^2}{2} }$

- Assuming that population standard deviation and sample standard deviation are same:

SD_1 = SD_2 = σ = 4

- Then,

$sd_p_o_o_l_e_d =\sqrt{\frac{4^2 +4^2}{2} } = 4$

- The cohen's d can now be evaliated:

Cohen's d = $\frac{48 - 46}{4} = 0.5$

6 0

3 years ago

Put the following correlation coefficients in order from weakest to strongest in terms of strength of linear association.

asambeis [7]

Answer:

0.137 ->0.339 -> -0.431 -> 0.869 -> -0.903

3 0

3 years ago

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The sum of two whole numbers is 84, and their positive difference is 18.What are the two numbers? Please help

Vlad1618 [11]

Answer:

Step-by-step explanation:

8 0

3 years ago

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Mike scored 38 points in the first half of the basketball game, and he scored p points in the second half of the game. Write an

Vladimir [108]

38 + p

He scored 58 points total if she scored 20 in the second half

Adding up the number of the points earned in the first half (38) and the number of points earned in the second half (p) will give you the total points.

If he scored 20 points in the second half of the game, then you can change the expression to:

38 + 20

Because now you know what he scored in both the first half and the second half. Then you can add them together to get the answer of 58

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3 years ago

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