A limnologist takes samples from a creek on several days and counts the numbers of flatworms in each sample,

The limnologist wants to look at the relationship between

the temperature of the creek and the number of

flatworms in the sample. The data show a linear pattern

with the summary statistics shown below:

mean

standard

deviation

= 10.2

Sx = 2.8

x = creek temperature

(C)

j = 37.6

$y = 30.8

y = number of

flatworms

• = -0.98

Find the equation of the least-squares regression line

for predicting the number of flatworms from the

creek temperature.

Round your entries to the nearest hundredth.

y = 147.56 - 10.78x

Step-by-step explanation:

Given :

x = 10.2 ; y = 37.6 ; Sx = 2.8 ; Sy = 30.8 ; r = - 0.98

The regression equation :

y = mx + c

Where ;

m = slope ; c = intercept

Slope = r * (Sy/Sx)

Slope = - 0.98 * (30.8 / 2.8)

Slope = - 0.98 * 11 = - 10.78

To obtain c :

y = mx + c

y - mx = c

37.6 - (-10.78)(10.2) = c

37.6 + 109.956 = c

147.556 = c

Hence, equation becomes :

y = 147.556 - 10.78x

y = 147.56 - 10.78x

i would say c is the best answer, hope it's right!

good luck! =)

cutie~

image result for what is another name for consecutive interior angles? ​

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

step-by-step explanation: