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Ivanshal [37]
3 years ago
5

A researcher is conducting a study and you are hired to help them analyse their data. They have already looked at scatterplots a

nd they give you only the linear correlation coefficient to consider Suppose that the correlation r between two quantitative variables was found to be r- 0. Based only on the information given, what would you advise?a. There is no relationship between the two variables.b. There is a strong relationship between the two variables.c. There is no linear relationship between the two variables.d. There is a strong linear relationship between the two variables.e. None of the above.
Mathematics
1 answer:
Ainat [17]3 years ago
4 0

Answer:

C

Step-by-step explanation:

When the correlation between two variables is r-0, this means that there is no form of linear relationship between the variables although there may still be some other form of non-linear relationship between them

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Car A's fuel efficiency is 34 miles per gallon of gasoline, and car B's fuel efficiency is 23 miles per gallon of gasoline. At t
Verdich [7]

Answer:

22 more gallons.

Step-by-step explanation:

Given:

Car A's fuel efficiency is 34 miles per gallon of gasoline.

Car B's fuel efficiency is 23 miles per gallon of gasoline.

Question asked:

At those rates, how many more gallons of gasoline would car B consume than car A on a 1,564 miles trip?

Solution:

<u>Car A's fuel efficiency is 34 miles per gallon of gasoline.</u>

<u>By unitary method:</u>

Car A can travel 34 miles in = 1 gallon

Car A can travel 1 mile in = \frac{1}{34} \ gallon

Car A can travel 1564 miles in = \frac{1}{34} \times1564=46\ gallons

<u>Car B's fuel efficiency is 23 miles per gallon of gasoline.</u>

Car B can travel 23 miles in = 1 gallon

Car B can travel 1 mile in = \frac{1}{23} \ gallon

Car B can travel 1564 mile in = \frac{1}{23} \times1564=68\ gallons

We found that for 1564 miles trip Car A consumes 46 gallons of gasoline while  Car B consumes 68 gallons of gasoline that means Car B consumes 68 - 46 = 22 gallons more gasoline than Car A.

Thus, Car B consumes 22 more gallons of gasoline than Car A consumes.

<u />

6 0
3 years ago
Darius deposits $300 into a new savings account. The account earns interest at a rate of 2.18% every 6 months. How much money do
vlada-n [284]
At the end of the 6 months the balance would be 360.54
5 0
3 years ago
determine the value of x for which r parallels s. then find the measure of angle 1 and the measure of angle 2measure angle 1= 50
Maslowich

According to the picture, angles 1 and 2 have the same measure because they are corresponding angles. Make equal both expressions for 1 and 2 and find x.

\begin{gathered} 50-2x=110-42x \\ 42x-2x=110-50 \\ 40x=60 \\ x=\frac{60}{40} \\ x=\frac{3}{2} \end{gathered}

x is 3/2. Replace this value in both expression to find the measure of each angle.

\begin{gathered} \measuredangle1=50-2x \\ \measuredangle1=50-2(\frac{3}{2}) \\ \measuredangle1=50-3 \\ \measuredangle1=47 \\ \measuredangle2=110-42x \\ \measuredangle2=110-42(\frac{3}{2}) \\ \measuredangle2=110-63 \\ \measuredangle2=47 \end{gathered}

The measure of these angles is 47°

7 0
1 year ago
8x+2y=16<br>what is f(1) for the function..? ​
Oksi-84 [34.3K]

Answer:

y=-4x+8

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can someone plz solve!!!??????
Tju [1.3M]
To find q + 3, you need to answer this first:

What is 5-3?

5-3=2.


q would be equal to 2.


so now we have something like this:

1
_ ( 2 + 3) =5

3


3 0
3 years ago
Read 2 more answers
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