MKTG 323 Final Exam - FLASHCARDS - Session 9
(18 cards)
When do we accept the null hypothesis?
If the p value is greater than or equal to .05
When do we reject the null hypothesis?
If the p value is less than .05.
Is there significance if the p value is less than .05?
Yes there is significance
Is there significance if the p value is greater than .05?
No there is no significance
Suppose we want to figure out if the average household income in Columbia is different from $80,000. Assume that we collected data from a random sample of 1000 households in Columbia. The sample mean is 90,000. Just based on this sample (i.e., without doing any calculation), what can you conclude about the household income in Columbia in general?
A. The household income in Columbia is more than $80,000
B. The household income in the sample is more than $80,000
C. Nothing can be concluded
B. The household income in the sample is more than $80,000
Suppose we want to figure out if the household income in Columbia is $80,000. Assume that we collected data from 1000 households in Columbia. The sample mean is 90,000 and the sample standard deviation is 15,000. Which hypothesis test would you recommend?
A. One sample t
B. Independent sample t
A. One sample t test
Which of the following is not true for the independent samples t test?
A. It is performed on the variable which is quantitative in nature
B. It involves a qualitative variable which is used to split the sample into two groups
C. It is performed on the variable which is qualitative in nature
C. It is performed on the variable which is qualitative in nature
Which of the following test/s can be performed on the variables which are quantitative in nature?
A. One sample t test
B. Independent samples t test
C. None of the above
D. Both A and B
D. Both A and B
Suppose a restaurant manager wants to figure out if the average customer satisfaction among the male customers is same as that among the female customers. The manager wants to measure customer satisfaction by asking the customers if they are satisfied or not (binary measures). Which statistical test would you recommend?
A. One sample t test
B. Independent samples t test
C. None of the above
D. Both A and B
B. Independent samples t test
Suppose a restaurant manager wants to figure out if the average customer satisfaction among the male customers is same as that among the female customers. The manager wants to measure customer satisfaction using a seven-point rating scale. Identify the qualitative variable?
A. Gender
B. Customer satisfaction
A. Gender
What type of test do you use to compare means of two groups?
T test
What type of test do you use to test independence between categorical variables?
Chi-Square test
What type of test do you use to measure linear association between two continuous variables?
Pearson correlation
What type of test do you use to predict a continuous dependent variable based on independent variables?
Regression analysis
What type of test do you use if you want to compare results of two marketing campaigns?
T test
What type of test do you use if you want to test association between gender and tea/coffee preference?
Chi-Square test
What type of test do you use if you want to examine the relationship between age and income?
Pearson correlation
What type of test do you use if you want to predict house prices based on square footage, bedrooms, etc?
Regression analysis
