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aalyn [17]
3 years ago
14

TheUnited States geological survey suggests that loss of wetlands on Louisiana coast occurs at a constant rate for the Time peri

od of 1932 to 2016 USGS has reported a net change of 4,833 km² for the land area of Louisiana if Louisiana had a estimate land area of 19,332 square kilometers in the 1932 what is the percent of decrease in it's land area between 1932 and 2016
Mathematics
1 answer:
nikitadnepr [17]3 years ago
4 0

Answer:

There is a 25% decrease in Louisiana's land area between 1932 and 2016.      

Step-by-step explanation:

We are given the following in the question:

Change in land area = 4,833  square kilometers

Estimated land area of Louisiana = 19,332 square kilometers

Percentage decrease =

\dfrac{\text{Change}}{\text{Original}}\times 100\%

Putting the values, we get,

= \displaystyle\frac{4833}{19332}\times 100\% = 25\%

Thus, there is a 25% decrease in Louisiana's land area between 1932 and 2016.

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I need the mean, medium, and the mode for these numbers [4,10,11,15,16,16,18,19]​
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mediun: 15.5  

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2 years ago
What is the upper quartile, Q3, of the following data set? 54, 53, 46, 60, 62, 70, 43, 67, 48, 65, 55, 38, 52, 56, 41
scZoUnD [109]
The original data set is 
{<span>54, 53, 46, 60, 62, 70, 43, 67, 48, 65, 55, 38, 52, 56, 41}

Sort the data values from smallest to largest to get
</span><span>{38, 41, 43, 46, 48, 52, 53, 54, 55, 56, 60, 62, 65, 67, 70} 
</span>
Now find the middle most value. This is the value in the 8th slot. The first 7 values are below the median. The 8th value is the median itself. The next 7 values are above the median. 

The value in the 8th slot is 54, so this is the median

Divide the sorted data set into two lists. I'll call them L and U 
L = {<span>38, 41, 43, 46, 48, 52, 53}
U = {</span><span>55, 56, 60, 62, 65, 67, 70}
they each have 7 items. The list L is the lower half of the sorted data and U is the upper half. The split happens at the original median (54).

Q3 will be equal to the median of the list U
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Therefore, Q3 = 62

Answer: 62</span>
4 0
3 years ago
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