Answer :

Answer:

Letter "C" Is the Answer.

Step-by-step explanation:

The image you uploaded appears to be a question involving a box plot and a set of grades. The goal is to match the correct set of grades to the box plot shown.

Here are the sets of grades provided:

A. 72, 72, 77, 78, 80, 83, 86, 89, 90, 98

B. 72, 72, 77, 78, 80, 83, 87, 89, 90, 98

C. 72, 72, 71, 78, 80, 83, 87, 89, 90, 98

D. 72, 72, 71, 78, 80, 83, 87, 89, 90, 88

To match the correct set of grades to the box plot, we need to determine the five-number summary (minimum, Q1, median, Q3, and maximum) for each set of grades and compare it to the box plot.

Let's calculate the five-number summary for each set of grades:

1. **A.** 72, 72, 77, 78, 80, 83, 86, 89, 90, 98

- Minimum: 72

- Q1: (72 + 77) / 2 = 74.5

- Median: 80

- Q3: (83 + 86) / 2 = 84.5

- Maximum: 98

2. **B.** 72, 72, 77, 78, 80, 83, 87, 89, 90, 98

- Minimum: 72

- Q1: (72 + 77) / 2 = 74.5

- Median: 80

- Q3: (83 + 87) / 2 = 85

- Maximum: 98

3. **C.** 72, 72, 71, 78, 80, 83, 87, 89, 90, 98

- Minimum: 71

- Q1: (72 + 72) / 2 = 72

- Median: 80

- Q3: (83 + 87) / 2 = 85

- Maximum: 98

4. **D.** 72, 72, 71, 78, 80, 83, 87, 89, 90, 88

- Minimum: 71

- Q1: (72 + 72) / 2 = 72

- Median: 80

- Q3: (83 + 87) / 2 = 85

- Maximum: 90

Now we compare these summaries with the box plot in the image:

- Minimum: Looks like 71 or 72

- Q1: Close to 72

- Median: Close to 80

- Q3: Around 85

- Maximum: Around 98

Set **C** seems to best match the box plot with a minimum of 71, Q1 of 72, median of 80, Q3 of 85, and a maximum of 98.

So, the answer should be **C. 72, 72, 71, 78, 80, 83, 87, 89, 90, 98**.