5. For the data presented below, answer the questions that follow.

Score on political Score on current
Individual awareness test events test
1 24 23
2 16 12
3 11 11
4 9 6
5 8 13
6 14 11
7 17 16
8 19 16
9 21 21
10 25 25
11 18 11
12 13 13
13 11 14
14 6 10
15 9 10
16 12 7
a. Construct a scatterplot.
b. Draw a regression line through the data point that “fits” the data points reasonably well.
c. Enclose the data points with a ellipse.
d. Estimate the direction of the correlation.
e. Estimate the strength of the correlation coefficient.
f. Now, use only the data points associated with current event scores of 15 and lower and indicate the effects this has on the direction and strength of the correlation coefficient.
g. Explain why this is the case.
h. Explain in words what a non-truncated scatterplot means.
i. Identify how likely it is that a causal relationship has been indicated.

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    set of data is normally distributed with a mean of 200 and standard deviation of 50. · What would be the standard score for a score of 300? · What percentage of scores is between 200 and 300? · What would be the percentile rank

  2. Statistics

    Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). To estimate the mean score 𝜇 of those who took the MCAT on your campus, you will obtain the scores of an SRS of

  3. math

    Find the z-score for the given raw score, mean, and standard deviation. Assume a normal probability distribution score = 15, ì = 16 , and ó = 2 Could you show me how to do this. My instructor has tried but I just don't

  4. stats

    SAT math scores approx. follow a normal distribution, with mean 500 and standard deviation 100. What % of students should have an SAT math score above 500? I think I use mean (500) + z-score * SD (100), but I do not know how to

  1. Statistic in Social Science

    The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions: a. If you wanted to select only student at or above the 90th

  2. Statistics

    Across the USA, results for these exams are normally distributed. What does that mean and why is this the case? If you were to create a histogram of all GRE scores, what would you expect the histogram to look like? Would it be

  3. Statistics

    How high must a student score to place in the top 10% of all students taking the SAT? Scores on the SAT verbal test in recent years follow approximately the Normal with mean 504 and standard deviation 111. This is what I did.

  4. Stats: need help please

    two golfers plan to enter a tournament where the score will be determined as a team score. golfer x has a mean score of 85.4 and St. Deviation of 3.2 while golfer y has a mean score of 89.6 and St. deviation of 4.1. what is their

  1. stats

    scores on a University exam are normally distributed with a mean of 68 and a standard deviation of 9. use the 68-95-99.7 rule to answer the following questions 1) what proportions of students score between a 59 to 77? 2) what

  2. Math

    Jerrod received a total score of 1340 on the SAT. His math score was 400 points less than twice his verbal score. What was his math score and his verbal score?

  3. Math

    Score Percentile Score Percentile Score Percentile Score Percentile -3.5 0.02 -1 15.87 0 50 1.1 86.43 -3 0.13 -0.95 17.11 0.05 51.99 1.2 88.49 -2.9 0.19 -0.9 18.41 0.1 53.98 1.3 90.32 -2.8 0.26 -0.85 19.77 0.15 55.96 1.4 91.92

  4. math

    what is the z-score for the given raw score, mean and standard deviation, assume a normal probability dist. raw score=66,u=60, and 0=6 u and o are those wierd symbols is the answer 1, 10, 6, or 66

You can view more similar questions or ask a new question.