Q1. Why would you perform a one-way ANOVA over a t-test? Is the answer, when the population means of only two groups is to be compared, a t-test is used, but when means of more than two groups are to be compared, ANOVA is preferred (Y/N)
Q2. A rag-tag group of bandits crash the party to steal candy. In a frenzy, you carefully record the numbers of different candies that group grabbed. You arrange the data in a table, below:
Snickers |
Twix |
Candy Corn |
5 |
2 |
13 |
3 |
5 |
15 |
6 |
10 |
16 |
7 |
7 |
12 |
10 |
3 |
11 |
Q 1.
The t-test is a method that determines wheather two populations are statistically different from each other, where as ANOVA determines wheather three or more populatios are statistically difference in means and the spread of the distribution (i e., Variance) across groups, how ever the ways that they determine the statistical significance are different.
Here, Answer is YES.
When the population means of only two groups is to be compared, a t-test is used, but when means of more than two groups are to be compared ANOVA preferred.
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