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March 30, 2015

Posted by **please help in panic mode-mary** on Friday, October 15, 2010 at 5:41pm.

- statistics -
**bobpursley**, Friday, October 15, 2010 at 5:52pmYour course is very, very, very dated.

Show calculations? These are done with tables, or a calculator, or a computer applet. Not even superman could do this calculating on paper with pencil.

http://davidmlane.com/hyperstat/z_table.html

I recommend you do it with this applet, getting the answer, then use your calculator to get the same answer, and finally, do it with the normal tables in the back of your book.

- statistics -
**please help in panic mode-mary**, Friday, October 15, 2010 at 6:05pmsuppose we have a set of blood pressures with a mean of 80 diastolic, and standard deviation of 5 points. assuming a normal distribution of blood pressures, what two values should 95% of all blood pressures lie? show all calculations.

*please help as i have no calculation or any other materials to help solve. thank you. i am really in panic mode.

- statistics -
**bobpursley**, Friday, October 15, 2010 at 6:13pmUse the same applet( the second one)Enter the mean, std deviation, click between, and in the shaded area, type.95

- statistics -
**please help in panic mode-mary**, Friday, October 15, 2010 at 6:19pmwhat do you mean by appplet? can you please show how you got your calculations i have no way or means to do this. i am really lost and am upset becasue this question has been bugging me for hours now. i am really frustrated, please help by showing the work. thank you very much.

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