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coldgirl [10]
3 years ago
13

Fire disturbance of terrestrial biomes is one of the primary factors in non-native plant species growth. A 2014 study by Pec and

Carlton investigated the aftereffects of controlled fires on non-native grass growth. The data provided give measurements of the biomass in milligrams of non-native grass and native chaparral shrubs for several randomly selected plots of land in Bell Canyon, California. Click to download the data in your preferred format. CrunchIt! CSV Excel JMP Mac-Text Minitab PC-Text R SPSS TI-Calc Calculate the y-intercept and slope of the least-squares regression line using non-native grass biomass to predict chaparral shrubs biomass. Give your answers precise to three decimal places y-intercept mg slope0.401 Using the least-squares regression line, calculate the predicted value and residual value for the data point where the non- native grass biomass is equal to 57 and the chaparral shrubs biomass is equal to 27. Give your answers precise to three decimal places. predicted value: mg residual value: Select the statement that represents the correct interpretation of the residual value. OThe residual value measures the accuracy of the least-squares model. The residual value measures the variation in the response variable. The residual value measures how far away the observed value is from the predicted valueon_native_grass chaparral10 3726 399 6641 3763 2835 2757 2716 4123 5444 837 2650 2633 1343 1052 1541 2334 1597 567 693 072 1261 075 175 784 490 065 680 385 382 570 372 166 374 892 1473 1067 633 61 052 625 053 650 666 265 060 051 047 2250 857 21

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

answer is attached below

kolezko [41]3 years ago
7 0

Answer:

Step-by-step explanation:

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A ratio is?
Rama09 [41]
In mathematics, a ratio<span> is a relationship between two numbers indicating how many times the first number contains the second. For example, if a bowl of fruit contains eight oranges and six lemons, then the </span>ratio<span> of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the </span>ratio<span> 4:3\

</span>
8 0
3 years ago
The total surface area of a cube is 294cm^2.<br><br>Work out the volume of the cube.​
djverab [1.8K]

Answer:

343 cm ^3

Step-by-step explanation:

A cube has 6 squares of equal sizes. 294/6 = 49

The area of one square is 49

Since the area is the length squared, the square root of 49 is 7.

Volume of a cube is area times height. 49 x 7 = 343 cm^3

4 0
2 years ago
Read 2 more answers
A 8.5<br> B 8.1<br> C 12.5<br> D 12.9
elena55 [62]
Cosine again. Yay.

Put 36 into a fancy calculator with one of those cos() things. You get about 0.81. 

So that's the ratio between x and 10.

So basically x/10 = 0.81, or 0.81 * 10 = x.

8.1 = x
4 0
3 years ago
Whats 500000 x 700=
Alexxandr [17]

Answer:

PERIOD

Step-by-step explanation:

4 0
3 years ago
Last week caroline worked 8 hours each day and she worked 5 days that week she earned $440 pounds so per hour she earned £11
IRISSAK [1]

Answer:

30%

Step-by-step explanation:

this week:

4 × 7 = 28 hours

earns: 28 × 11 = £308

reduction: 440 - 308 = 132

% reduction

132/440 × 100

30%

5 0
2 years ago
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