In a two-factor ANOVA design with replication, if the null hypothesis pertaining to interaction ...

In a two-factor ANOVA design with replication, if the null hypothesis pertaining to interaction between factors A and B is rejected, then it is recommended that the hypothesis tests for factor A and factor B individually should not be conducted
 
  because the conclusions might be misleading. Indicate whether the statement is true or false

Q. 2

The number of customers who arrive at a fast food business during a one-hour period is known to be Poisson distributed with a mean equal to 8.60. The probability that between 2 and 3 customers inclusively will arrive in one hour is 0.0263.
 
  Indicate whether the statement is true or false

Q. 3

Given a population in which the probability of success is p = 0.20, if a sample of 500 items is taken, then calculate the probability the proportion of successes in the sample will be between 0.18 and 0.23 if the sample size is 200.
 
  A) 0.8911
  B) 0.7121
  C) 0.8712
  D) 0.6165

Q. 4

An article in an operations management journal recently stated that a formal hypothesis test rejected the hypothesis that mean employee productivity was less than 45.70 per hour in the wood processing industry.
 
  Given this conclusion, it is possible that a Type I statistical error was committed. Indicate whether the statement is true or false

Q. 5

In a two-factor ANOVA design with replication, the null hypothesis for testing whether interaction exists is that no interaction exists. The alternative hypothesis is that interaction does exist.
 
  Indicate whether the statement is true or false