Question about Texas Instruments TI-83 Plus Calculator

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Put the data into a list. Press STAT. Choose CALC. Choose 1-Var Stats. Enter the name of the list. Press ENTER.

Posted on Feb 19, 2010

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Posted on Jan 02, 2017

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Hi there,

There is a really great website called www.mathsatsharp.co.za that is dedicated to answering questions and helping people who own the Sharp scientific calculator range.

For Stats - i assume you are using the 535 with the table. Simply type in each data value, press = after each. Press change.

Press alpha and the number of the function you would like (for example 4 gives the average). Be careful with your standard deviation for population (on 6) and sample (on 5). In school we use the population standard deviation formula and not the sample standard deviation.

There is a really great website called www.mathsatsharp.co.za that is dedicated to answering questions and helping people who own the Sharp scientific calculator range.

For Stats - i assume you are using the 535 with the table. Simply type in each data value, press = after each. Press change.

Press alpha and the number of the function you would like (for example 4 gives the average). Be careful with your standard deviation for population (on 6) and sample (on 5). In school we use the population standard deviation formula and not the sample standard deviation.

Sep 02, 2017 | Sharp Office Equipment & Supplies

About 5.23. If this is homework, be sure to show your work.

Jun 25, 2014 | Office Equipment & Supplies

Population size:4

Mean (?): 23.45

Standard deviation (?): 4.5986411036305

Mean (?): 23.45

Standard deviation (?): 4.5986411036305

Mar 07, 2014 | Office Equipment & Supplies

If you mean the standard deviation, there are two shifted keys on the third row marked with a lower-case Greek sigma. sigma_xn is the population standard deviation and sigma_xn-1 is the sample standard deviation.

Nov 12, 2013 | Texas Instruments TI-30XA Calculator

Count the number of items in the sample whose statistics you're calculating. For example, if you're calculating the mean and standard deviation of seven items then the sample size is seven.

Apr 18, 2012 | Casio FX-9750GPlus Calculator

The TI-30XA does not have to be switched to a statistics mode, the operations are available all the time. The choice of operations are somewhat limited; the calculator offers statistics functions for one dimensional data sets only (no linear interpolation of (x,y) value pairs, for example):

Example: calculate the average and standard deviation of the set { 3, 4, 5, 5, 5, 5, 6 }.

- [2nd] [CSR] - erase statistics data
- [] - add a number to the sample set
- [2nd] [] - remove a number from the sample set
- [2nd] [FRQ] - multiple entry of the same sample value
- [2nd] [n] - sample set size
- [2nd] [] - sum of all sample elements
- [2nd] [] - sum of the squares of all sample elements
- [2nd] [] - average of the sample set
- [2nd] [] - standard deviation (sample set is a complete set)
- [2nd] [] - standard deviation (sample set is a subset of a larger set)

Example: calculate the average and standard deviation of the set { 3, 4, 5, 5, 5, 5, 6 }.

- [2nd] [CSR] - erase stat memory
- 3 [] 4 [] 5 [2nd] [FRQ] 4 [] 6 [] - enter the data, note the use of [2nd] [FRQ] to enter the four occurrences of "5". Entering 5 [] four times would have done the same.
- [2nd] [] - display the average of the set, (4.714...)
- [2nd] [] - display the standard deviation of the set (0.8806...)

Jan 25, 2011 | Texas Instruments TI-30XA Calculator

Example: Enter the following x variables, and determine the sample and population standard deviations.

**x** = {1,2,3}

- Press [DATA] and begin to enter the data as indicated into the L1, L2 or L3 lists. To input a data point, type the value and press [ENTER]. Press the down arrow key to move on to the next data point.
- Press [2nd], [STAT], and then choose 1-VAR.
- For the "DATA" option, choose the listname the data is stored in (L1, L2 or L3). For the "FRQ" option, choose "ONE" since this data does not include a frequency list.
- Arrow down to "CALC" and press [ENTER].
*Answers should be as follows:*

3:Sx (Sample Standard Deviation) = 1

4:sx (Population Standard Deviation) = 0.816497 - Press [2nd] [MODE] to exit STAT mode.

Oct 20, 2010 | Texas Instruments TI30XS Scientific...

Yes. The sample standard deviation is 2nd [sigma x n-1] and the population standard deviation is 2nd [sigma x n].

Apr 02, 2010 | Texas Instruments TI-30XA Calculator

34 σ+

39 σ+

32 σ+

36 σ+

30 σ+

33 σ+

2nd ÷ (σxn)

39 σ+

32 σ+

36 σ+

30 σ+

33 σ+

2nd ÷ (σxn)

Jun 02, 2009 | Texas Instruments TI-30XA Calculator

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