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8090 [49]
3 years ago
13

Suppose two samples are taken. Sample 1 has a mean of 105 and a standard deviation of 15 and sample two has a mean of 100 and a

standard deviation of 22. Assume the samples are taken on the same scale/variable.
Which of the following is a correct statement about these samples?

a. Sample 2 has more variability than sample 1.
b. Both samples are more or less the same.
c. Sample 1 has more variability than sample 2.
d. The mean of sample 2 is significantly higher than the mean of sample 1.
Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

a.

Step-by-step explanation:

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<h3>The ratio in three ways are 500 : 125 or 100 : 25 or 4 : 1</h3>

<em><u>Solution:</u></em>

Given that,

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125 had traveled on an airplane

<em><u>What is the ratio of total sixth-grade students to the number of students who had  traveled on an airplane?</u></em>

Therefore,

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