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3 years ago

Help me! Pls and thank you sm! :D

Mathematics

1 answer:

vampirchik [111]3 years ago

5 0

Answer:

A is correct

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4 years ago

PLEASE HELP ASAP I'M ON THE TEST RIGHT NOW AND IT'S DUE TODAY!! The box plot shows the algebra scores of students in class A and

Free_Kalibri [48]

Answer:

The median score of class A is 73

The interquartile range of class B is 8

The difference of the medians of class A and class B is 9

the interquartile range of either data set should be 8 because that is what b was.

Step-by-step explanation:

The interquartile range is the difference between the upper quartile and the lower quartile. In example 1, the IQR = Q3 – Q1 = 87 - 52 = 35. The IQR is a very useful measurement. It is useful because it is less influenced by extreme values as it limits the range to the middle 50% of the values.

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3 years ago

There are 15 copies of a popular cd left to be sold in the store this is between 1% and 1.5% of the original number of copies of

Triss [41]

Answer: The original number of CDs is between 1000 and 1500.

Step-by-step explanation:

Since we have given that

Number of copies of a popular CD left to be sold in the store = 15

According to question, this is between 15 and 1.5% of the original number of copies of the CD in the store.

Let the original number of copies of the CD in the store be 'x'.

Now, 15 is equal to 1% of the original number of copies of the CD, it becomes

$1\%\ of\ x=15\\\\\frac{1}{100}\times x=15\\\\x=15\times 100\\\\x=1500$

Or if 15 is equal to 1.5% of the original number of copies of the CD, it becomes

$1.5\%\ of\ x=15\\\\\frac{1.5}{100}\times x=15\\\\\frac{15}{1000}x=15\\\\x=\frac{15\times 1000}{15}\\\\x=1000$

Hence, the original number of CDs is between 1000 and 1500.

3 0

3 years ago