Mr. Evans displays the test scores of his first period class in the box plot below.

Mathematics

2 answers:

aleksandr82 [10.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

Median is the middle entry when arranged in ascending or descending order.Q1 can be mentioned as the median of first entry to median, when arranged inascending order. Similarly Q3 is the median of the entries from median to end

Q1=78

IQR=Q3-Q1=5

Q3=78+5=83

Hence answer is 83

Illusion [34]3 years ago

7 0

The IQR of the first period is 15. The IQR of the third period is 1/3 that, 5*(1/3) is equal to 5.

For the third period, Q1 is 78. The expression for Q3 is Q1+IQR

Therefore, 78+5 = 83

Q3 of the third period is 83

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The students in a club are selling flowerpots to raise money. Each flowerpot sells for $21. Part A Write an expression that repr

scoundrel [369]

Answer: y = 21x

Step-by-step explanation:

y in this expression represents the total amount of money, in dollars, the students raise from selling x flowerpots.

21 is the price of each flower pot.

x is the number of flower pots sold.

If for instance, they sold 30 flower pots, y(total amount in dollars) would be;

= 21x

= 21 * 30

= $630