Test Prep Test Prep Certifications SBAC Questions & Answers

• Question 41:

  

  In this survey (results attached), what is the relative frequency of seniors attending the game?

  A. 0.46

  B. 0.41

  C. 0.23

  D. 0.50

  Correct Answer: C

• Question 42:

  

  Referring to the attached results, what is the conditional probability of a student attending the game if they are a junior?

  A. 0.54

  B. 0.26

  C. 0.5

  D. 0.62

  Correct Answer: D

• Question 43:

  

  Does the attached survey indicate an association between being a junior or senior and attending the game?

  A. Yes, because the conditional probability of attendance is different from the overall probability of attendance.

  B. Yes, because the number of junior is much less than the number of seniors.

  C. No, because the conditional probability of attendance is different from the overall probability of attendance.

  D. No, because the number of juniors is much less than the number of seniors.

  Correct Answer: A

• Question 44:

  For the distributions shown in the attached image, which will be the better measure of the center of the data set?

  

  A. mean or median

  B. median or mode

  C. mean only

  D. mode only

  Correct Answer: B

• Question 45:

  Juan asked juniors and seniors in his school whether they will attend the final home football game of the season. He summarized the results in the attached two-way frequency table.

  In the table, which labeled cell or cells contain joint frequencies?

  

  A. A and B

  B. A and C

  C. B and D

  D. C and D

  Correct Answer: B

• Question 46:

  Which of these statistical characteristics are shown in a box plot?

  mean median mode maximum and minimum values first and third quartiles standard deviation standard error

  A. median, first and third quartiles, maximum and minimum values

  B. mean, maximum and minimum values, standard deviation

  C. mode, maximum and minimum values, standard error

  D. mean, first and thirs quartiles, maximum and minimum values

  Correct Answer: A

• Question 47:

  Sharon has data for this list of variables for her classmates. She needs to make histograms for the count and categorical variables. For which of these variables should she make histograms?

  age routed to nearest year weight height month of birth gender mean of test scores

  A. test score means, gender

  B. age, gender, month of birth

  C. weight, age, test score means

  D. height and weight

  Correct Answer: B

• Question 48:

  Jason is using a recipe that requires 3 teaspoons of salt for every 2 cups of flour. He needs to use 9 cups of flour to make enough for everyone. How much salt should he use?

  A. 4.5 teaspoons

  B. 10 teaspoons

  C. 6 teaspoons

  D. 13.5 teaspoons

  Correct Answer: D

• Question 49:

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 50:

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C