Which teacher exhibited the most consistent performance over this 5 year span?
1 answer:
The teacher Jill Exhibited the most consistent performance over the 5 year span with the help of the graph.
According to the statement
we have to find the performance span of the given teachers.
So, For this purpose, we know that the
From the given information and the figure:
The figure graph attached with this question shows the performance of 5 teachers at Oakdale middle school.
It shows five year chart (2005 - 2009).
Teachers are Jill, Ed,Ralph,Tina and Sam.First consider performance of Jill, performance vary only in 2006 and every one other years the performance is consistent.In the case of all other teachers their performance vary inconsistently.
And because of this the teacher Jill Exhibited the foremost consistent performance over the 5 year span.
So, The teacher Jill Exhibited the most consistent performance over the 5 year span with the help of the graph.
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Question:
Which teacher exhibited the most consistent performance over this 5 year span?
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Thulani goes to both the library and the market for 5 more times during the year.
Step-by-step explanation:
Thulani goes to the library every 7 days. He goes to the market every 4 days.
We have to calculate the Least Common Multiple (LCM) to analyze the next common day on which he will go to both places.
The factors of 7 are: 1 x 7
The factors of 4 are: 2 x 2
Therefore, the LCM would be = 1 x 7 x 2 x 2
LCM = 28
LCM indicates that Thulani will go to both places on every 28th day.
To calculate the number of times (n) he will go to both places on same day. We can use the formula mentioned below:'
Here frequency represents the LCM = 28.
The number of days are:
August: 30 (we are excluding 1st August)
September: 30
October: 31
November: 30
December: 31
Total = 152
By putting the values in formula, we get
n = 5.42
As, the number of times can only be a whole number. Therefore, Thulani goes to both the library and the market for 5 more times during the year.
Learn more:
The following links have more information
Keywords: LCM, same day
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