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Data Analysis: Oreo and Market Pantry Cookies

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Fort he attached data set perform a z-test for proportion and z-test for both brand names. Find the cutoff value for z, sample proportion, standard error, confidence intervals, one and two-tailed test, critical values, and lower/upper limits.

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The expert examines a data analysis for Oreo and marketing pantry cookies.

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Null Hypothesis: The proportion of Oreo as actual brand is equal to that as subjected identified brand.
Alternate Hypothesis: The proportion of Oreo as actual brand is not equal to that as subject identified brand.

Two Sample Hypothesis Z Test for Proportion

Actual Brand Subject Identified Brand
Sample Size 42 ...

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  • MSc, Osmania University
  • MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
  • BSc, Banaras Hindu University
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