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STATE THE NULL HYPOTHESIS H0 / TUTORIALOUTLET DOT COM

Each of the following situations calls for a significance test for a population mean m. State the null hypothesis H0 and the alternative hypothesis Ha in each case.

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STATE THE NULL HYPOTHESIS H0 / TUTORIALOUTLET DOT COM

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  1. STATE THE NULL HYPOTHESIS H0 / TUTORIALOUTLET DOT COM

  2. STATE THE NULL HYPOTHESIS H0 / TUTORIALOUTLET DOT COM State the null hypothesis H0  FOR MORE CLASSES VISIT www.tutorialoutlet.com Each of the following situations calls for a significance test for a population mean m. State the null hypothesis H0 and the alternative hypothesis Ha in each case. (a) The diameter of a spindle in a small motor is supposed to be 5mm. If the spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of motors to determine whether the mean diameter has moved away from the target. H0:HA: (b) Census Bureau data show that the mean household income in the area served by a shopping mall is $52,500 per year. A market research firm questions shoppers at the mall. The researchers suspect the mean household income of mall shoppers is higher than that of the general population.

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