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A local ice cream shop wants to see if they should promote a new swizzleberry swirl or creamsicle flavored drink. In order to determine which one to promote, they took a sample of 80 patrons and asked them to choose which they preferred. The one that is significantly preferred over the other (at a .05 level of significance) will be promoted. It is expected that an equal number of patrons will choose each flavor. Based on the observed frequencies given below, what is the decision for this test?Flavored Drinks
Creamsicle flavor Swizzleberry Swirl flavor
Observed Results 52 28
A. Promote the swizzleberry swirl flavored drink.
B. Promote the creamsicle flavored drink.
C. Do not promote any flavored drinks.
D. There is not enough information to answer this question.
A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.
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give and describe an example of a nominal measurement
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