IASSC IASSC Certifications IASSC-ICBB Questions & Answers

• Question 241:

  For the data shown here which statement(s) are true? (Note: There are 2 correct answers).

  

  A. With 95% confidence, we cannot conclude if the samples are from three Normal Distributions.

  B. With greater than 95% confidence, we conclude the samples are from Non-normal Distributions.

  C. If we wanted to compare the Central Tendencies of these three samples we would use the one way ANOVA test.

  D. If we wanted to compare the Central Tendencies of these three samples we could use Mood's Median test.

  Correct Answer: BD

• Question 242:

  A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

  A. True

  B. False

  Correct Answer: A

• Question 243:

  Contingency Tables are used to test for association, or dependency, between two or more classifications.

  A. True

  B. False

  Correct Answer: A

• Question 244:

  Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

  A. Process proportion equals some value range

  B. Process proportion equals some desired value

  C. Target is current

  D. Proportion of the tail is equal

  Correct Answer: B

• Question 245:

  An ANOVA used across many dependent variables could increase the Beta risk.

  A. True

  B. False

  Correct Answer: B

• Question 246:

  The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

  A. Testing the identity of two populations

  B. Focuses on equality of the Median of the two populations

  C. Less powerful than the traditional "t-test"

  D. More widely applicable than the traditional "t-test"

  Correct Answer: BD

• Question 247:

  The relationship between a response variable and one or more independent variables is investigated and modeled by use of __________________.

  A. X-Y Matrix

  B. Baldridge Assessment

  C. Analysis of Variance (ANOVA)

  D. Critical X's Definition

  Correct Answer: C

• Question 248:

  Sally and Sara sell flower pots at their garage sale. Martha motivates Rose mentioning that they will sell a minimum of 16 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 15.2 pots per day were sold with a Standard Deviation of 0.6 pots.

  What is the Z value for this sales process?

  A. 0.67

  B. 1.13

  C. 1.33

  D. 2.66

  Correct Answer: C

• Question 249:

  Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. The statistical Degrees of Freedom for this example are?

  A. 1

  B. 29

  C. 30

  D. 31

  E. 2

  Correct Answer: B

• Question 250:

  Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

  A. F Test

  B. Test for Equal Variance

  C. Chi Square Test

  D. One-Sample t-Test

  Correct Answer: D