Use the stem-and-leaf plot below to answer questions 1–3.
1.
What is the range of data?
40
42
54
96
2.
What is the median of the data?
64.5
72.5
74.5
75
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OpenStudy (zuha):
here's the stem and leaf plot
OpenStudy (zuha):
3.
What is the mode of the data?
5
70
75
88
i believe that the mode is 88
OpenStudy (zuha):
am I correct?
OpenStudy (zuha):
Use the stem-and-leaf plot below to answer questions 4–5.
4.
How many students ran 6 or more miles?
7
5
4
3
5.
What was the shortest distance, in miles, that a student ran?
4
4.3
43
43.5
OpenStudy (domebotnos):
Okay, you need to post them in separate questions, not all at once.
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OpenStudy (domebotnos):
What are your answers for all of them?
OpenStudy (zuha):
here is the plot of Q 4-5
OpenStudy (zuha):
well I thought any one can help in any of the questions
OpenStudy (domebotnos):
What are your answers?
OpenStudy (zuha):
I'm still working on them
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OpenStudy (domebotnos):
When you finish them give me your answers.
OpenStudy (zuha):
great ! can you help me solve them!
OpenStudy (domebotnos):
Do you think you know any of the answers?
OpenStudy (domebotnos):
To find the first answer, range is the highest number subtracted by the lowest number.
96-54 = ?
OpenStudy (zuha):
yes I just calculated it and it is 42
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OpenStudy (domebotnos):
B.
OpenStudy (zuha):
let me check the 2nd one
OpenStudy (domebotnos):
For number 2. the middle number is the median. 74 and 75 are the middle numbers so solve. 74 + 75/2 =?
OpenStudy (domebotnos):
r u here?
OpenStudy (zuha):
yes, actually i was trying too :)
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OpenStudy (zuha):
is it 111.5
OpenStudy (zuha):
no
OpenStudy (zuha):
let me check again
OpenStudy (zuha):
I'm not getting the correct answer !
OpenStudy (domebotnos):
74 + 75 = 149
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OpenStudy (domebotnos):
149/2 = 74.5 :)
OpenStudy (zuha):
oh got it , 74.5
OpenStudy (zuha):
I was not calculating correctly
OpenStudy (zuha):
the next one must be 88?
OpenStudy (domebotnos):
3. Mode is the number that occurs the most often. The answer is NOT 88.
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OpenStudy (zuha):
oh
OpenStudy (zuha):
75
OpenStudy (domebotnos):
Yes! :)
OpenStudy (zuha):
ok great
OpenStudy (domebotnos):
4. Count how many kids ran over 6 miles.
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OpenStudy (zuha):
3
OpenStudy (zuha):
am I correct
OpenStudy (domebotnos):
No. Try again.
OpenStudy (zuha):
so should I go beyond 6up to 7 and up?
OpenStudy (domebotnos):
Count all the number above 6.
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OpenStudy (domebotnos):
*numbers
OpenStudy (zuha):
ok
OpenStudy (zuha):
still confused !
OpenStudy (zuha):
is it 7
OpenStudy (domebotnos):
6.2, 6.2, 6.4, 7.1, 7.3, 8.0, 8.4 that is 7 numbers. Correct.
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OpenStudy (zuha):
yes thats what i did
OpenStudy (domebotnos):
Good! :) Do u know what 5 is?
OpenStudy (zuha):
last Q is 43?
OpenStudy (domebotnos):
No, look at the key. (bottom right)
OpenStudy (zuha):
oh 4.3
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