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Does the type of water people are already drinking make a difference? The students also wanted to know if it matters what type of water
Does the type of water people are already drinking make a difference?
The students also wanted to know if it matters what type of water people usually drink ( tap water, bottled water, or filtered water)in terms of which type of water they prefer.
- There are two variables here, both categorical. Name them. [2 pts]
- Write out the null and alternative hypotheses. [4 pts]
- Here is a table that has been partially filled out. Complete the table. (You are not finding expected values yet. The fact that you can complete this table has to do with the fact that there are only 6 degrees of freedom in this table. [3 pts]
Fiji | Tap | Aquafina | Sam's | Total | |
---|---|---|---|---|---|
Filtered | 10 | 4 | 26 | ||
Tap | 12 | 7 | 33 | ||
Bottled | 5 | 14 | 41 | ||
Total | 36 | 15 | 25 | 24 | 100 |
- Upload the completed table intoStatKey and have it calculate2for you. Find a p-value and make a conclusion. State your conclusion in plain language.
Chi Square: [1 pt] | dof:[1 pt] | p-value: [2 pts] |
Conclusion:[3 pts] |
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