The American Statistical Association publishes a monthly magazine sent to all of its members. This magazine once included an article that asked, “How many chocolate chips are there in a bag of Chips Ahoy cookies?” (Warner & Rutledge, 1999). Nabisco, the makers of these cookies, claims there are 1,000 chocolate chips in each 18-ounce bag of cookies. The authors tested this claim by obtaining forty-two 18-ounce bag of cookies, dissolving the cookies in water to separate the chocolate chips from the dough, and counting the number of chocolate chips in each bag. The number of chips in 18 of their 42 bags is provided. The data collected was used to test if the number of chocolate chips in each 18-ounce bag of Chips Ahoy does not support Nabisco’s claim. (Use the data in the image attached) Proposed analysis and why you chose the analysis Scales of measurement (i.e., nominal, ordinal, interval or ratio) for variable(s) that will be used in the analysis Null and alternative hypotheses (based on context of study) symbols Test assumptions and make a decision (please provide written evidence to support your decision) Inferential statistic(s) and p-value(s) Decision Conclusion Based on your decision, identify and explain the type of error you could be making with respect to the conclusions of the study
The American Statistical Association publishes a monthly magazine sent to all of its members. This magazine once included an article that asked, “How many chocolate chips are there in a bag of Chips Ahoy cookies?” (Warner & Rutledge, 1999). Nabisco, the makers of these cookies, claims there are 1,000 chocolate chips in each 18-ounce bag of cookies. The authors tested this claim by obtaining forty-two 18-ounce bag of cookies, dissolving the cookies in water to separate the chocolate chips from the dough, and counting the number of chocolate chips in each bag. The number of chips in 18 of their 42 bags is provided. The data collected was used to test if the number of chocolate chips in each 18-ounce bag of Chips Ahoy does not support Nabisco’s claim. (Use the data in the image attached)
Proposed analysis and why you chose the analysis
Scales of measurement (i.e., nominal, ordinal, interval or ratio) for variable(s) that will be used in the analysis
Null and alternative hypotheses (based on context of study) symbols
Test assumptions and make a decision (please provide written evidence to support your decision)
Decision
Conclusion
Based on your decision, identify and explain the type of error you could be making with respect to the conclusions of the study
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