An education council says that 22%  of undergraduates do not work, 26 %  work 1 to 20 hours per week, 18%  work 21 to 34 hours per week, and 34% work 35 or more hours per week. You randomly select 120 college students and gather the results shown in the table  below. At alpha = 0.01 can you reject the council`s claim. Response   Did not work 29 Work 1 to 20 hours 26 Work 21 to 34 hours 25 Work 35 or more hours 40    State the null and alternative hypothesis    Give the p-value    Give a conclusion for the claim

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Q: What is the Null Hypothesis? What is the Alternative Hypothesis?

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.