The data show prices of light bulbs at a home improvement store, rounded to the nearest dollar. find the interquartile range (iqr) of the data set.
5, 2, 8, 10, 2, 20, 6, 15, 29, 6, 2, 2, 5, 1, 3

The interquartile range (IQR) of the data set is  8.

Step-by-step explanation:

Given:

The data show prices of light bulbs at a home improvement store, rounded to the nearest dollar.

5, 2, 8, 10, 2, 20, 6, 15, 29, 6, 2, 2, 5, 1, 3.

Now, to find the interquartile range (IQR) of the data set.

So, we arrange first in orders:

1,2,2,2,2,3,5,5,6,6,8,10,15,20,29.

Now, to get the median:

1,2,2,2,2,3,5,5,6,6,8,10,15,20,29.

5 is the median.

So, to get the IQR we need to get the Q1 (median of the first half)  and Q3 (median of the second half):

Q1 = 1,2,2,2,2,3,5, 5,6,6,8,10,15,20,29

Q1 = 2.

Q3 = 1,2,2,2,2,3,5,5 ,6,6,8,10,15,20,29

Q3 = 10.

Now, to calculate the IQR:

Therefore, the interquartile range (IQR) of the data set is 8.

8

Step-by-step explanation:

1, 2, 2, 2, 2, 3, 5, 6, 6, 8, 10, 15, 20, 29

Median: 5.5

Lower quartile: 2

Upper quartile: 10

Interquartile range: 10 - 2 = 8

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.