Entries by mary WAMBUGU

To determine how talking on a cell phone affects driving ability, a researcher set up

To determine how talking on a cell phone affects driving ability, a researcher set up an experiment where she measured the reaction times (in milliseconds) of a sample of 12 adults under two conditions.  Each participant was measured in a driving simulator while talking on a cell phone and then again without distraction.  The order was randomized, and the results are displayed in the […]

 

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An industrial plant dumps its waste into a nearby river, but claims that it is not impacting the native

An industrial plant dumps its waste into a nearby river, but claims that it is not impacting the native fish that live in the river.  You have measured the calcium concentration from a random sample of 18 locations in the river and calculated a mean of 97.4 mg/L, with a standard deviation of 4.1 mg/L. The fish are able to tolerate calcium concentrations up to 95 mg/L.   a. Assuming a normal distribution, calculate a […]

 

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A study was conducted to compare the resting pulse rate among smokers

A study was conducted to compare the resting pulse rate among smokers and non-smokers. The data are summarized in the table below. The pulse rate distribution in each group can be assumed to be normal, and equal population variances can be assumed in the two groups. (View picture attached). Conduct the appropriate test to see if the mean resting […]

 

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To determine how talking on a cell phone affects driving ability, a researcher set up an experiment where she

To determine how talking on a cell phone affects driving ability, a researcher set up an experiment where she measured the reaction times (in milliseconds) of a sample of 12 adults under two conditions.  Each participant was measured in a driving simulator while talking on a cell phone and then again without distraction.  The order was randomized, and the results are displayed in the […]

 

Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"