Do data provide sufficient evidence to indicate mean

Reference no: EM13113599

A sample of 9 high school seniors in a school system reports a mean of 5 hours worked at part-time jobs during s recent week: the sample standard deviation was 3 hours. Do these data provide sufficient evidence to indicate that the mean for the population is less than 8 hours? assume a normally distributed population.

Reference no: EM13113599

Questions Cloud

Question regarding testing : The U.S. Bureau of Prisons publishes data in Statistics Report on the times served by prisoners released from federal institutions for the first time.

Determine probability that women drinking alcohol : ll subjects in the study were questioned about lifestyle factors including alcohol, tea, and coffee consumption. The resulting data.

Sample testing for mini-oats cereal : You are the manager of a factory that produces Mini-Oats Cereal. The factory has an automated packaging machine that can be set at any targeted fill level between 12 and 32 ounces.

Calculate the mass of propylene glycol : Calculate the mass of propylene glycol that must be added to 0.330 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).

Do data provide sufficient evidence to indicate mean : Do these data provide sufficient evidence to indicate that the mean for the population is less than 8 hours? assume a normally distributed population.

Decision-making situations in business management : Consider some decision-making situations in Business Management field of study, and describe two or more in which tests of one or more population variances are important.

Use the mathematical and graphical analyses : Use the mathematical and graphical analyses to determine the equation of the above function if the parabola cross the line y=2x at two points with the x-coordinates 0 and 10. Hint: there is more than one solution.

What is the equilibrium partial pressure of n2o4 : A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.

Is there evidence to reject manager-s claim at alpha : Sstandard deviation was found to be 3.3 minutes. Is there evidence to reject the manager's claim at alpha =.02? Perform an appropriate hypothesis test.

User Account

All Pages