Basic statistics

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In this assignment, you will continue to collect data for another 5–10 days for the data collection below. Write a paper (2- to 3-page, typed Word document) including all of the following content:

· Recalculate the mean (old mean = 419.33), standard deviation (old SD = 47.98 minutes), and variance (old variance = 2302.05).

· Is your mean increasing or decreasing?

· Explain the effects of the larger sample size in relation to your data.

· Do you think the current sample you have is enough to draw an accurate conclusion, or do you need a larger sample? 

· What conclusions can you draw from comparing both sets of data?

The collected data is shown below is amount of minutes slept each day for a month: (you need to add 5-10 more days of data)

492	382	375	401	454	448	457	417	369	473
391	511	397	432	407	462	447	327	409	360
479	374	437	444	450	430	407	506	345	360