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HACTEHA [7]
3 years ago
8

You compare the happiness of people forced to smile with those of people forced to frown. Both groups have the same number of pa

rticipants. The mean happiness level in the smile group is 20. The mean happiness level in the frown group is 19. The standard deviation of both groups is 20. The effect size is:_________
Mathematics
1 answer:
gregori [183]3 years ago
3 0

Answer:

0.05

Step-by-step explanation:

The Effect size  = (Difference in Means) / (Standard deviation)

= (20 - 19) / 20

= 1/20

= 0.05

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3 years ago
What is the sample space for the event of flipping a coin and then spinning a four-part spinner, numbered 1, 2, 3, 4?
Anastasy [175]

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Step-by-step explanation:

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I don't get how to work out the repeating problems, could someone explain please?
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Detecting...

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3 years ago
liz asked charlie to pick up her up a cup of frozen yogurt. she asked for I need to toppings from the six: chocolate chips, gran
Afina-wow [57]

Step-by-step explanation:

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Probability of chocolate chips = 1/6

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3 0
3 years ago
Eddie took out a 14-year loan for $72,000 at an APR of 4.7%, compounded monthly, while Lee took out a 14-year loan for $92,000 a
marishachu [46]
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So its A. <span>Lee would save more, since he has $20,000 more in principal.</span>
4 0
3 years ago
Read 2 more answers
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