Question: 3f: a. Calculate the observed mean, expected mean, standard deviation and z value for the median and up/down test. Use z = +/-2 to compare

3f:

a. Calculate the observed mean, expected mean, standard deviation and z value for the median and up/down test. Use z = +/-2 to

compare your z test scores. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.)

b.Based on your calculation conclude whether the test is random or non-random.

3f: a. Calculate the observed mean, expected

please show how you got eaxh answer.

The folowng ss a confrol chart for the average number of minor errors 722 service reports. a. Calculate the oliserved mean, expected mean, standard deviation and 2 value for the median and upidown test. Use 2 in +2 to compare your z test scores. (Negative amounts should be indicated by a minus algn. Round your answers to 2 decimal places.) b. thased on vour calculation conclude whother the test is randem or nol-tandom

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