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Juliette [100K]
3 years ago
11

Jill decides to study for her biology final exam by studying for 20 minutes each day for the next three weeks, as opposed to stu

dying all the material at once. Which study technique is she using?
Advanced Placement (AP)
1 answer:
NemiM [27]3 years ago
3 0
Jill is using a technique known as Spaced Repetition. In this technique, the learner studies in short periods with great frequency over a long period of time, frequently testing herself along the way. This aids in long-term retention for the learner. 

The opposite of this technique would be cramming, also known as block learning. Spaced Repetition is widely accepted as the superior study technique. 
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Part B. No, they are assymetric.

Explanation: To find the interquatile range (IQR) of each set of data, you can do as follows:

1) Put the number in each set of data in order:

A: 3 4 5 5 6 7 8 9 9 20

B: 3 3 5 5 6 8 8 9 9

2) Find the median of each town data:

For A, the median is the number 6. Coincidently, the same can be said for town B: its median is 6.

3) Find Q1, which is the median (or the middle term) of the left side of the median:

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B: 3 3 5 5

Now, as both set of number are even, to find the median, we have to calculate the mean of the two central numbers:

For A: Q1 = \frac{4+5}{2} = 4.5

For B: Q1 = \frac{3+5}{2} = 4

4) Find Q3, which is the median of the right side of the first median:

A: 7 9 9 20 (set of numbers to calculate)

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As before, the median will be the mean:

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For B: IQR = 4.5

For the two sets of data the IQR is the same and equals 4.5.

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