30. What is the Pearson correlation (r) for these data? (SHOW YOUR WORK) 31. How many degrees of freedom (df) do you have?

Q: WOW THANKS! Can you help with question 18 too? I realized I already answered 20 after i sent it

A: Here is the solution:

Q: For this question, why do you have to add 14?

A:

Q: Find a2, a3, a4, a1= -3,  an= 10+2an-1

A:

Q: what is x+4=7

A:

Q: y-14 = -10 + 12/y

A: It is a quadratic equation question. In this we will take LCM first then we will solve the quadratic…

Q: A+b+c=180 (For c)

A: Given, A+b+c = 180 To be solved for c

Q: Let (133) A = 2 1 0 22 3 find detA.

A:

Q: ess than 25 hours is .921, What is greater than 25 hours?

A: Given that, μ=23.6σ=7n=50 The mean and standard deviation of the sample mean is,

Q: can you explain more about the second part that you came up with -2 and 5 .  thanks

A:

Q: 6. x - 4y = 16 y 2

A:

Q: can you answer D also please ?

A: Given that, μ=85,σ=24n=36 (a) According to the central limit theorem, as the sample (n>30) is…

Q: 2y=3x-5

A:

Q: what is the soultion to 4x + 3 > -5

A:

Q: hmm how did you find out the b= 50 and a =200?

A:

Q: I don't understand the 1 and the 2 bullet

A: To check if any variables are irrelevant, we need to use regression analysis.. We will consider…

Q: what is 3-4x=5

A:

Q: Why I'd i5=i2. I don't understand. Isn't i5 supposed to equal to i3. Please explain. Thank you

A: