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2 years ago

The table shows the battery lives, in hours, of ten Brand A batteries and ten Brand B batteries.

Mathematics

1 answer:

Tomtit [17]2 years ago

7 0

Answer:

D. Both distributions are skewed left, so the interquartile range is the best measure to compare variability.

Step-by-step explanation:

Plotting the data roughly shows that the data is skewed to the left. In other words, data is skewed negatively and that the long tail will be on the negative side of the peak.

In such a scenario, interquartile range is normally the best measure to compare variations of data.

Therefore, the last option is the best for the data provided.

please mark me brainliest :)

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3 years ago

QS bisects /PQT and QP and QR are opposite rays. If m/PQT 60 and m/PQS = 4x + 14, find the value of x

Afina-wow [57]

Based on the angle bisector QS, the value of x is 4

<h3>How to determine the value of x?</h3>

The given parameters are:

QS bisects <PQT
QP and QR are opposite rays.
m<PQT = 60
<PQS = 4x + 14,

Because QS bisects <PQT, then

PQT = 2 * <PQS

This gives

4x + 14) * 2 = 60

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Subtract 7 from both sides

2x = 8

Divide by 2

x = 4

Hence, the value of x is 4