The makers of Mama\'s Home-Made Salsa are concerned about the quality of their p
ID: 3201087 • Letter: T
Question
The makers of Mama's Home-Made Salsa are concerned about the quality of their product. The particular trait of concern is the thickness of the salsa in each jar. A. Discuss a plan by which the managers might determine the percentage of jars of salsa believed to have an unacceptable thickness by potential purchasers. (1) Define the sampling procedure to be used, (2) the randomization method to be used to select the sample, and (3) the measurement to be obtained. B. Explain why it would or wouldn’t be feasible (or, perhaps, possible) to take a census to address this issue.
Explanation / Answer
1. we will go for simple random sampling without replacement.
2.randomization technique :
make a list of potential custoers. assign a number to each. let there are N customers numbred 1,2,....N.
now , the most common way is the lottery method. Here, each member or item of the population at hand is assigned a unique number. The numbers are then thoroughly mixed, like if you put them in a bowl or jar and shook it. Then, without looking, the researcher selects n numbers.here 'n' is our sample size.
3. yes or no. meanig whether the purchaser found it unacceptable. if yes assign '0' if no, assign'1'.
and if possible ask them for the thickness.
B. because :
1) Sampling error leads to mostly variability, nonsampling errors lead to bias.
2) Because of nonsampling error, a sample is often more accurate than a CENSUS.
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