Sharp EL-9900 Benutzerhandbuch

Finds the estimated value of x for a given value of y by applying

the function determined by the regression.

When the following is entered as statistical data:

x

10

20

30

40

50

y

20

40

60

80

100

Find estimated value of x given

.

1. Enter the above data into L1

(x) and L2 (y) and execute

Rg_ax+b (L1, L2).

2. Press 

# 140 S D 1 5 E.

Find the estimated value of y for a given value of x by applying

the function determined by the regression formula.

Using above data, find the estimated value for y given x = 80, 100.

1. Press 

# @ { 80

, 100 @ }
S D 1 6
E.

• 15 x’ and 16 y’ will be valid

after executing a regression calculation excluding 2nd, 3rd, 4th,

degree polynomial, logistic, and sine regressions.

The following table shows the relationship between the time and

temperature of water, when heating a beaker filled with water.

Time (min)

2

3

4

5

6

7

8

9

10 10.5 11 11.5 12 12.5

Temperature

38.4 46.4 54.4 62.5 69.6 76.1 82.4 88.6 93.4 94.9 96.5 98.2 99.1 100

(°C)