Question

Each night at closing time over a full workweek, Cory counted the number of customers who shopped at his store that day and recorded it in the table shown below. For that workweek, what was the average number of customers per day at Cory's store? $$\begin{array}{|l|c|}\hline \text { Day } & \text { Number of Customers } \\\hline \text { Monday } & 20 \\\hline \text { Tuesday } & 26 \\\hline \text { Wednesday } & 21 \\\hline \text { Thursday } & 17 \\\hline \text { Friday } & 31 \\ \hline\end{array}$$ F. 26 G. 23 H. 21 J. 20 K. 18

Name: Problem 14, Chapter :
Uploaded: 2020-08-04T06:33:23-08:00
Duration: 44 s
Channel: Lily An
Description: Each night at closing time over a full workweek, Cory counted the number of customers who shopped at his store that day and recorded it in the table shown below. For that workweek, what was the average number of customers per day at Cory's store? Day Number of Customers Monday 20 Tuesday 26 Wednesday 21 Thursday 17 Friday 31 F. 26 G. 23 H. 21 J. 20 K. 18

   Each night at closing time over a full workweek, Cory counted the number of customers who shopped at his store that day and recorded it in the table shown below. For that workweek, what was the average number of customers per day at Cory's store?
$$\begin{array}{|l|c|}\hline \text { Day } & \text { Number of Customers } \\\hline \text { Monday } & 20 \\\hline \text { Tuesday } & 26 \\\hline \text { Wednesday } & 21 \\\hline \text { Thursday } & 17 \\\hline \text { Friday } & 31 \\
\hline\end{array}$$
F. 26
G. 23
H. 21
J. 20
K. 18

Instant Answer

Solved by Expert Lily An

08/04/2020

Step 1

We do this by adding the number of customers for each day. So, we have: \[20 (Monday) + 26 (Tuesday) + 21 (Wednesday) + 17 (Thursday) + 31 (Friday) = 115\] Show more…

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Each night at closing time over a full workweek, Cory counted the number of customers who shopped at his store that day and recorded it in the table shown below. For that workweek, what was the average number of customers per day at Cory's store? $$\begin{array}{|l|c|}\hline \text { Day } & \text { Number of Customers } \\\hline \text { Monday } & 20 \\\hline \text { Tuesday } & 26 \\\hline \text { Wednesday } & 21 \\\hline \text { Thursday } & 17 \\\hline \text { Friday } & 31 \\ \hline\end{array}$$ F. 26 G. 23 H. 21 J. 20 K. 18

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Key Concepts

Counting Data Points

Counting data points refers to determining the total number of individual values in a dataset. This count is essential when calculating the arithmetic mean, as it serves as the divisor in the formula to yield the average value.

Arithmetic Mean

The arithmetic mean, commonly known as the average, is a measure of central tendency calculated by summing a set of numbers and then dividing by the quantity of numbers in that set. This concept is widely used in statistics and everyday problem-solving to provide a single representative value for a dataset.

Data Summation

Data summation involves adding together all the values in a dataset. It is a fundamental operation in calculating the arithmetic mean, where the total of all individual measurements is required before dividing by the number of measurements.

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