Statistics For Business And Economics

A blood pressure (BP) monitoring device was fitted on a patient to monitor fluctuation over a 16 hour period. The recorded BP data is shown in the table below.

a. Calculate the control limits for an Individual and Moving Range Chart for the BP records over the 16 hours period

b. Construct an Individual Control chart for the BP data;

c. Discuss your interpretation of the Moving Range control chart shown below.

d. A principal at a school claims that the students in his school are above average intelligence. A random sample of fifty students IQ scores have a mean score of112. If a=10%, Is there sufficient evidence to support the principal's claim? The mean population IQ is 100 with a standard deviation of 15. IQ scores are normal distribution.



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