Casio fx-7400G PLUS User Manual download pdf (Page 4)

(continued)

Note 1C • Mean, Median, and Mode (continued) fx-7400G Plus

c. Press (MEAN) or (MED).

d. Press

(LIST) (List) , if the data is in List 1, and close

the parentheses.

e. Press .

You can also calculate all the statistical values of a data set at once,

including the mean, median, and mode; and summary values.

a. Press to enter

STAT.

b. Press

(CALC).

c. Press

(SET) and make sure that 1Var X is set to List 1,or

whichever list your data is in, and that

1Var F is set to 1.

Press .

d. Press

(CALC) (1VAR).

Toggle the arrow key down to display the entire list of values.

–

416.875 the mean

x3335 the sum of the x-values

x

1414

06

the sum of the squares of the x-values

x n54.9395 the population standard deviation

x n158.7329 the sample standard deviation

n8 the number of data values

minX320 the minimum of the list

Q1375 the first quartile

Med425 the median

Q3467.5 the third quartile

maxX480 the maximum of the list

Mod480 the mode of the list

Errors

If your values do not match your data, you may have the wrong list selected.

Press

(CALC) (SET) to choose the list for 1-variable statistics. If you get

Dim ERROR message, you have selected a blank list.

Note 1D • Box Plots

Entering the Data

Enter the data into a list. In this example, List 1 is

{400, 455, 390, 450, 360, 320, 480, 480}. (See Note 1B if you need

help entering data.)

F4F2

F1F2

QUIT

EXE

F1F1OPTN

F1F4

DA2_FX7400G_01.qxd 2/14/07 3:54 PM Page 12

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Casio fx-7400G PLUS User Manual Page 4

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