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Sagot :
To determine the point estimate for the number of cars sold per week for a given sample, we need to calculate the mean (average) number of cars sold.
Given the sample data: [tex]\(1, 3, 5, 7, 10, 13, 14, 17, 19, 21\)[/tex]
1. Sum the numbers in the sample:
[tex]\(1 + 3 + 5 + 7 + 10 + 13 + 14 + 17 + 19 + 21 = 110\)[/tex]
2. Count the number of observations in the sample:
There are 10 observations in the sample.
3. Calculate the mean by dividing the sum of the observations by the number of observations:
[tex]\[ \text{Mean} = \frac{110}{10} = 11 \][/tex]
Therefore, the point estimate for the number of cars sold per week is [tex]\(11\)[/tex].
The correct answer is not listed in the provided options (A, B, C, D).
However, based on the detailed calculation, the correct point estimate is:
11
Given the sample data: [tex]\(1, 3, 5, 7, 10, 13, 14, 17, 19, 21\)[/tex]
1. Sum the numbers in the sample:
[tex]\(1 + 3 + 5 + 7 + 10 + 13 + 14 + 17 + 19 + 21 = 110\)[/tex]
2. Count the number of observations in the sample:
There are 10 observations in the sample.
3. Calculate the mean by dividing the sum of the observations by the number of observations:
[tex]\[ \text{Mean} = \frac{110}{10} = 11 \][/tex]
Therefore, the point estimate for the number of cars sold per week is [tex]\(11\)[/tex].
The correct answer is not listed in the provided options (A, B, C, D).
However, based on the detailed calculation, the correct point estimate is:
11
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