MATH 225 Week 2 Assignment; Stem and Leaf plots, Assignments of Mathematics

MATH 225 Week 2 Assignment; Stem and Leaf plots

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2024/2025

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Question
56779000111224455677990011133334455777
7788
The value 30 appears $$3 time(s) in the data set. The value 39 appears $
$2
time(s) in the data set. The value 45 appears $$2 time(s) in the data
set.
Answer
Explanation
The value 30 appears 1$$ time(s) in the data set. The value 39 appears
2$$
time(s) in the data set. The value 45 appears 3$$ time(s) in the data
set.
Correct
answers:
To find the number of times 30 appears in the data set, note that
the stem (the part of the number before the last digit) is 3, and the
leaf is 0. In the row for the stem 3, the leaf 0 occurs 3 times, so
30 appears 3 times in the data set.
Similarly for the other answers.
Question
A set of data is summarized by the stem and leaf plot below.
Stem1234Leaf13566711233489000023677888111
Perfect.
Your hard
work is paying off
😀
1$3$3
2$2$2
3$2$2
Perfect.
Your hard
work is paying off
😀
pf3
pf4

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Question

The value 30 appears $$3 time(s) in the data set. The value 39 appears $ $ time(s) in the data set. The value 45 appears $$2 time(s) in the data set.

Answer Explanation

The value 30 appears 1 $$ time(s) in the data set. The value 39 appears 2 $$ time(s) in the data set. The value 45 appears 3 $$ time(s) in the data set. Correct answers:

To find the number of times 30 appears in the data set, note that

the stem (the part of the number before the last digit) is 3 , and the

leaf is 0. In the row for the stem 3 , the leaf 0 occurs 3 times, so

30 appears 3 times in the data set.

Similarly for the other answers.

Question

A set of data is summarized by the stem and leaf plot below.

Stem1234Leaf

Perfect. Your hard work is paying off 😀 1 $3$ 2 $2$ 3 $2$

Perfect. Your hard work is paying off 😀

There are $$14 values in the data set which are greater than or equal to 10 and less than or equal to 19. There are $$9 values in the data set which are greater than or equal to 30 and less than or equal to 39 .There are $$7 values in the data set which are greater than or equal to 40 and less than or equal to 49. Answer Explanation There are 1 $$ values in the data set which are greater than or equal to 10 and less than or equal to 19. There are 2 $$ values in the data set which are greater than or equal to 30 and less than or equal to 39 .There are 3 $$ values in the data set which are greater than or equal to 40 and less than or equal to

  1. Correct answers: Remember that every entry in the leaf column corresponds to a value in the data set. To see about values in a certain range, find the stem for the values you want. The first row of the table shows the data

values 12,13,14,14,15,16,16,16,16,17,17,18,19,19. These

are

exactly the values in the table greater than or equal to 10 and less

than or equal to 19. There are 14 values listed.

The second row in the table contains all data values in the 20 's. There

are 10 of them.

The third row in the table contains all data values in the 30 's. There are 9

of them.

The fourst row in the table contains all data values in the 40 's. There

are 7 of them.

1 $14$ 2 $9$ 3 $7$