1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marysya [2.9K]
3 years ago
13

Suppose that the correlation between midterm 1 and midterm 2 is 0.55; the mean and standard deviation of midterm 1 are 71 and 3,

while for midterm 2 the mean and standard deviation are 81 and 4. There are 21 students in the class. Test, at level 0.01, the hypothesis that the first midterm has no influence on the expected score for the second midterm.
Mathematics
1 answer:
Doss [256]3 years ago
6 0

Answer:

i dont know the answer , sorry

You might be interested in
What property is this called? 5(3x+6) <br> Please help me
Sladkaya [172]

Answer:

distributive property

Step-by-step explanation:

The distributive property of multiplication states that when a number is multiplied by the sum of two numbers the first number can be distributed to both of those numbers and multiplied by each of them separately then adding the two products together for the same result as multiplying the first number by the sum

4 0
3 years ago
Read 2 more answers
The data in the table compares x, the number of pages in a chapter, to y, the amount of time, in minutes, spent reading. The fun
ololo11 [35]
21
18=0.86x - 0.09     Put 18 as the y value and solve for x
18.09=0.86x           Add 0.09 on both sides.
21.03=x                  Then divide on both sides by 086

7 0
3 years ago
Read 2 more answers
A restaurant bill is $25.80. How<br> much is a 20% tip for this bill (NOT<br> the total)?
lozanna [386]

Answer:

25 pesos 80 pw

pesos I'm not sure

Step-by-step explanation:

25. 80

3 0
2 years ago
URGENT easy math multiple choice
Katyanochek1 [597]

Answer:

C) x = -1

Step-by-step explanation:

I graphed the equation below on the graph.

If this answer is correct, please make me Brainliest!

6 0
3 years ago
Read 2 more answers
Solve this equation. 4h + 6 =30
Vitek1552 [10]
First you subtract 6 from both sides to get:
      4h=24
Then divide by 4:
      h=6
With these problems, use the steps of either
PEDMAS, or <em></em>Please Excuse My Dear Aunt Sally.

the P stands for Parenthesis, the E for exponents, the M for multiplication, the D for division, the A for addition, and the S for subtraction


6 0
3 years ago
Read 2 more answers
Other questions:
  • 52 -46<br> Plz answer my question
    9·2 answers
  • HELP ME HELP HELP HELP
    8·1 answer
  • Given the diagram shown below, which of the following best represents the distance from the school to the library?
    5·1 answer
  • a student worked out at the gym continuously for 50 minutes. The graph shows the remaining percentage of the workout f(x) as a l
    15·1 answer
  • State some effects of a thinning ozone layer
    13·1 answer
  • Use the distributive property to solve the equation 4x/5-x=x/10-9/2
    5·1 answer
  • When will a quadratic equation have two different real roots?
    11·2 answers
  • Re write the statement 19 +7 / 2 x 6 + 1 by including two pairs of brackets to make the total value equal to 2
    7·1 answer
  • 0.17x0.4 helpppppppp
    14·1 answer
  • HELLO CAN ANYONE PLZ HELP ME WITH part (4) and part (2) plz and thank you I’m and a rush!!! Thanks
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!