Based on these results, can the statistician conclude that people prefer the Mum brand of bottled water over the Fresh? Test at 5% significance level with appropriate null and alternative hypotheses mentioning all six necessary steps.

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23. The Mum Water Company produces and distributes Mum bottled water in Bangladesh. The
company wants to determine whether customers have a higher preference for its bottled water
than for its main competitor, Fresh bottled water. The Mum Water Company hired a statistician
to conduct this study. The statistician selected a random sample of 10 people and asked each of
them to taste one sample of each of the two brands of water. The customers did not know the
brand of each water sample. Also, the order in which each person tasted the two brands of water
was determined randomly. Each person was asked to indicate which of the two samples of water
he or she preferred. The following table shows the preferences of these 10 individuals.
Page 1 of 2
Person
Brand Preferred
1
Mum
2
Mum
Mum
4
Mum
5
Mum
Fresh
7
Mum
Neither
9.
Mum
10
Mum
Based on these results, can the statistician conclude that people prefer the Mum brand of bottled
water over the Fresh? Test at 5% significance level with appropriate null and alternative
hypotheses mentioning all six necessary steps.
Transcribed Image Text:23. The Mum Water Company produces and distributes Mum bottled water in Bangladesh. The company wants to determine whether customers have a higher preference for its bottled water than for its main competitor, Fresh bottled water. The Mum Water Company hired a statistician to conduct this study. The statistician selected a random sample of 10 people and asked each of them to taste one sample of each of the two brands of water. The customers did not know the brand of each water sample. Also, the order in which each person tasted the two brands of water was determined randomly. Each person was asked to indicate which of the two samples of water he or she preferred. The following table shows the preferences of these 10 individuals. Page 1 of 2 Person Brand Preferred 1 Mum 2 Mum Mum 4 Mum 5 Mum Fresh 7 Mum Neither 9. Mum 10 Mum Based on these results, can the statistician conclude that people prefer the Mum brand of bottled water over the Fresh? Test at 5% significance level with appropriate null and alternative hypotheses mentioning all six necessary steps.
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