This handy Math in Focus Grade 6 Workbook Answer Key Chapter 13 Introduction to Statistics detailed solutions for the textbook questions.
Math in Focus Grade 6 Course 1 B Chapter 13 Answer Key Introduction to Statistics
Math in Focus Grade 6 Chapter 13 Quick Check Answer Key
Complete. Use the data in the line plot.
The line plot shows the weight, in pounds, of cartons of apples in a store. Each x represents 1 carton of apples.
Question 1.
What is the weight of the lightest carton of apples?
Answer:
45 lb
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
Each x represents 1 carton of apples.
So, the weight of one apple carton box (x) = 45 lb
= 45 lb
Question 2.
What is the weight of the heaviest carton of apples?
Answer:
378 lb
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
Each x represents 1 carton of apples.
9 apple carton box X 45 lb.
The weight of the heaviest carton of apples is = 378 lb
Question 3.
What is the difference in weight between the heaviest carton of apples and the lightest carton of apples?
Answer:
333 lb
Explanation:
We know from the above questions that the weight of the heaviest carton of apples = 378 lb
The weight of the lightest carton of apples = 45 lb
The difference in weight between the heaviest carton of apples and the lightest carton of apples,
378 – 45 = 333 lb
Question 4.
How many cartons weigh more than 41 pounds?
Answer:
15 cartons weigh more than 41 pounds.
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
9 cartons weigh 42 pounds
3 cartons weigh 43 pounds
2 cartons weigh 44 pounds
1 cartons weigh 45 pounds
9 + 3 + 2 + 1 = 15
15 cartons weigh more than 41 pounds.
Question 5.
How many cartons weigh less than 40 pounds?
Answer:
7 cartons weighs less than 40 pounds.
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
5 cartons weigh 38 pounds.
2 cartons weigh 39 pounds.
5 + 2 = 7
So, 7 cartons weigh less than 40 pounds.
Question 6.
How many cartons weigh 44 pounds each?
Answer:
2 cartons weighs 44 pounds each.
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
So, 2 cartons weighs 44 pounds each.
Question 7.
How many cartons are there in all?
Answer:
32 cartons are there in all.
Explanation:
The line plot shows the weight, in pounds, of cartons of apples in a store.
So, 32 cartons are there in all.
Question 8.
How many times as many cartons of apples weigh 40 pounds as the number of cartons of apples that weigh 43 pounds?
Answer:
2 times.
Explanation:
cartons of apples weigh 40 pounds is 6 cartons.
cartons of apples that weigh 43 pounds is 3 cartons.
Number of times as many cartons of apples weigh 40 pounds as the number of cartons of apples that weigh 43 pounds = 6/3 = 2 times.
Question 9.
The ratio of the number of cartons of apples that weigh 42 pounds to the ‘ number of cartons of apples that weigh 40 pounds is 
.
Answer:
3 : 2
Explanation:
cartons of apples weigh 42 pounds is 9 cartons.
cartons of apples that weigh 40 pounds is 6 cartons.
Ratio of both the cartons = 9 : 6
By simplifying we get 3 : 2
So, the ratio of the number of cartons of apples that weigh 42 pounds to the ‘ number of cartons of apples that weigh 40 pounds is 3 : 2
Question 10.
The number of cartons of apples that weigh 41 pounds is % of the total number of cartons of apples.
Answer:
12.5
Explanation:
The number of cartons of apples that weigh 41 pounds is 4 cartons.
The total number of cartons of apples = 32
4/32 = 0.125
So, the number of cartons of apples that weigh 41 pounds is 12.5 % of the total number of cartons of apples.