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pav-90 [236]
2 years ago
13

The owner of a new coffee shop is keeping track of how much each customer spends (in dollars). A random number table was used to

generate a random sample of 20 pieces of data. The dot plot below shows the twenty pieces of data.
Based on the data in the dot plot, what would you expect the mean of the sample to be? EXPLAIN YOUR REASONING.

Mathematics
1 answer:
frosja888 [35]2 years ago
4 0
I expect the mean of the sample to be 5.00
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Complete the following statements. In general, % of the values in a data set lie at or below the median. % of the values in a da
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Answer:

Complete the following statements. In general, 50% of the values in a data set lie at or below the median. 75% of the values in a data set lie at or below the third quartile (Q3). If a sample consists of 500 test scores, of them 0.5*500 = 250 would be at or below the median. If a sample consists of 500 test scores, of them 0.75*500 = 375 would be at or above the first quartile (Q1).

Step-by-step explanation:

The median separates the upper half from the lower half of a set. So 50% of the values in a data set lie at or below the median, and 50% lie at or above the median.

The first quartile(Q1) separates the lower 25% from the upper 75% of a set. So 25% of the values in a data set lie at or below the first quartile, and 75% of the values in a data set lie at or above the first quartile.

The third quartile(Q3) separates the lower 75% from the upper 25% of a set. So 75% of the values in a data set lie at or below the third quartile, and 25% of the values in a data set lie at or the third quartile.

The answer is:

Complete the following statements. In general, 50% of the values in a data set lie at or below the median. 75% of the values in a data set lie at or below the third quartile (Q3). If a sample consists of 500 test scores, of them 0.5*500 = 250 would be at or below the median. If a sample consists of 500 test scores, of them 0.75*500 = 375 would be at or above the first quartile (Q1).

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Help pls and thank you :)
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Answer:

Step-by-step explanation:

answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr =====8

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1.= 6,391  

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3. = 6,39100

All you do is add the 0s at the end


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