Heludes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filt es. Do the cigarette filters appear to be effective? (Hint: The filters reduce the amount of tar ingested by the smoker.) ck the icon to view the frequency distributions. te the relative frequency table below. Relative Relative Frequency (Filtered) 3% Frequency Distributions Frequency g) (Nonfiltered) 0% |이% 1% 2% 16 % 24 % 5% 10 % 25 % 25 % 25 % Tar (mg) in Nonfiltered Tar (mg) in Filtered Cigarettes Frequency 2-5 13 Cigarettes Frequency 10- 13 17 21 3 14 - 17 6-9 25 18- 21 10 17

Q: 2. Find AB, where -1 4043-690 B = 1 -2 5 = [ A = 2 2 -1 -5 1 -2 1 2

A:

Q: I'm confused on which one is it

A: A. Correlation between two variables measure the strength and direction between two variables. It…

Q: A = 8 9 -9 -1 7 -2 -7 4 -3

A:

Q: 10. a. Sketch the graph of the horizontal line through the point (-2, 3). y 10 8 4. 2. -10-8-6-4.-2…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Is this for question 2 or 3?

A: The standard deviation is 0.2.

Q: than one answer besides C. I know it's C, but what are t

A: We have to find the expression of A.

Q: Thanks for the help! I was also wondering how I would know that the answer would be meaningful?

A: Firstly understand,  Y-intercept :  it is mean value of y when all predictors (x) equals to 0. X=…

Q: This was the same answer I got but it is incorrect.

A: To find the margin of error (MOE) for a proportion, we can use the…

Q: The answer "B" is not correct.

A:

Q: If x =-1 and y =-3, what is the value of -a-3y

A: Given, x=-1, y=-3 We have to find the value of -x-3y

Q: what would be the conclusion?

A: From the obtained results, the p-value is 0.0676.

Q: The answer

A:

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: y = 3x + 272 24 ਮ

A:

Q: I'm still not sure how this answer was reached

A:

Q: Everything was right except for C

A: As you said I am solving part C

Q: 1 -1 2 2 1 -1 A = 2 B = 1 3 2 4 C = 1 -1 4 -4 Find A - B, A+ B, and A + C.

A: Here, A and B are of the same order so A-B and A+B is possible but A+C is not possible because A and…

Q: so what are the values of d and c?

A:

Q: The second question wasn't answered.

A: Probability is the measure of the chance that an event is likely to happen. It is calculated by…

Q: You gave me the answers that I already got correct?

A: You gave me the answers that I already got correct?

Q: b and c are all wrong. please do them correct.

A: The regression equation is: .

Q: What is the value of

A: We know, i=-1