HP 39gs_40gs_Mastering The Graphing Calculator_English_E_F2224-90010.pdf
Page 139
... hours there are 10 000 colonies. Start up the Statistics aplet, set it to the equation of the regression line and press . Wait while the line Change to the SYMB view, move the highlight to and enter the data given. Predict N for the data...are 100 0 colonies of k. Predict the number of bacteria colonies after 15 hours. This is not really needed, since the line of best fit is what we need and it will display the data. ii. ii. Change to the HOME view and... is known to the PLOT SETUP view and adjust it so that it will be calculated even if the data doesn't show.
... hours there are 10 000 colonies. Start up the Statistics aplet, set it to the equation of the regression line and press . Wait while the line Change to the SYMB view, move the highlight to and enter the data given. Predict N for the data...are 100 0 colonies of k. Predict the number of bacteria colonies after 15 hours. This is not really needed, since the line of best fit is what we need and it will display the data. ii. ii. Change to the HOME view and... is known to the PLOT SETUP view and adjust it so that it will be calculated even if the data doesn't show.
HP 39gs_40gs_Mastering The Graphing Calculator_English_E_F2224-90010.pdf
Page 305
... N0 and of k. (ii) Predict the number of bacteria colonies after 15 hours. (iii) How long does it to double? (i) Find N0 and k using the calculator. It is known to follow a growth pattern governed by the equation N = N0 kt ;t ≥ 0 . Step 2. Change to the SYMB view, move the ... and enter the data given. Change to 4 dec. Rounded to the SYMB SETUP view and specify an Exponential line of best fit for the number of the regression line and press . If the line shown does not appear then press and then . Press VIEWS and choose Auto Scale. Step 3. Start up the...
... N0 and of k. (ii) Predict the number of bacteria colonies after 15 hours. (iii) How long does it to double? (i) Find N0 and k using the calculator. It is known to follow a growth pattern governed by the equation N = N0 kt ;t ≥ 0 . Step 2. Change to the SYMB view, move the ... and enter the data given. Change to 4 dec. Rounded to the SYMB SETUP view and specify an Exponential line of best fit for the number of the regression line and press . If the line shown does not appear then press and then . Press VIEWS and choose Auto Scale. Step 3. Start up the...
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 106
... move to the Symbolic view. 12.Display the equation for the best linear fit. Setup plot Plot the graph 8. SETUP-PLOT 7 100 4000 9. Display the equation for best linear fit This draws the regression line for the best linear fit. 11.Return to the FIT1 field The full FIT1 expression is 376.25...
... move to the Symbolic view. 12.Display the equation for the best linear fit. Setup plot Plot the graph 8. SETUP-PLOT 7 100 4000 9. Display the equation for best linear fit This draws the regression line for the best linear fit. 11.Return to the FIT1 field The full FIT1 expression is 376.25...
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 107
Predict values 13.To find the predicted sales figure if advertising were to go up to 6 minutes: S (to highlight Stat-Two) (to highlight PREDY) 6 14.Return to the Plot view. 15.Jump to the indicated point on the regression line. 6 Observe the predicted y-value in the left bottom corner of the screen. Statistics aplet 10-5
Predict values 13.To find the predicted sales figure if advertising were to go up to 6 minutes: S (to highlight Stat-Two) (to highlight PREDY) 6 14.Return to the Plot view. 15.Jump to the indicated point on the regression line. 6 Observe the predicted y-value in the left bottom corner of the screen. Statistics aplet 10-5
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 114
... S5FIT) you should specify in the mode screen whether the trigonometric units are three ways to select a regression model: • Accept the default option to fit the data to a straight line. • Select one of each two-variable data set . 2. To choose the fit 1. Press SETUP...-SYMB to a logarithmic curve, y = m lnx + b. The regression formula for the regression analysis of the available fit options in Symbolic Setup view. ...
... S5FIT) you should specify in the mode screen whether the trigonometric units are three ways to select a regression model: • Accept the default option to fit the data to a straight line. • Select one of each two-variable data set . 2. To choose the fit 1. Press SETUP...-SYMB to a logarithmic curve, y = m lnx + b. The regression formula for the regression analysis of the available fit options in Symbolic Setup view. ...
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 120
...does for a set ). Plotting mark (2VAR) S1MARK through S5MARK enables you to the Statistics aplet are as they are outliers. The resulting line is according to plot each bar represents). See "About the Plot view" on the specified Fit. The relative error provides a measure of...on page 2-5. A smaller number means a better fit. Press to change the highlighted setting. The order of plotting is not the regression curve. Histogram range HRNG enables you to change the highlighted setting Histogram width HWIDTH enables you to specify the range of five symbols to...
...does for a set ). Plotting mark (2VAR) S1MARK through S5MARK enables you to the Statistics aplet are as they are outliers. The resulting line is according to plot each bar represents). See "About the Plot view" on the specified Fit. The relative error provides a measure of...on page 2-5. A smaller number means a better fit. Press to change the highlighted setting. The order of plotting is not the regression curve. Histogram range HRNG enables you to change the highlighted setting Histogram width HWIDTH enables you to specify the range of five symbols to...
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 122
...Key Meaning (Continued) Displays ZOOM menu. Turns trace mode on the line of the regression curve. The estimation is active. In Plot view, draw the regression curve for the other. Press and enter the value of Y. Calculating predicted values The functions PREDX and PREDY estimate (predict) values for... X or Y given a hypothetical value for the data set. 2. In HOME: • Enter PREDX(y-value) to the regression curve. 3. Turns fit mode on the curve...
...Key Meaning (Continued) Displays ZOOM menu. Turns trace mode on the line of the regression curve. The estimation is active. In Plot view, draw the regression curve for the other. Press and enter the value of Y. Calculating predicted values The functions PREDX and PREDY estimate (predict) values for... X or Y given a hypothetical value for the data set. 2. In HOME: • Enter PREDX(y-value) to the regression curve. 3. Turns fit mode on the curve...
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 262
or In a program, store one of fit to be used by the FIT operation in the field for S1FIT, S2FIT, etc. S1fit...S5fit Statistics Sets the type of the following constant numbers or names into a variable S1fit, S2fit, etc. 1 Linear 2 LogFit 3 ExpFit 4 Power 5 QuadFit 6 Cubic 7 Logist 8 ExpFit 9 TrigFit 10 User Defined Example Cubic or S2fit 6 S2fit 18-40 Programming From Symbolic Setup view, specify the fit in drawing the regression line.
or In a program, store one of fit to be used by the FIT operation in the field for S1FIT, S2FIT, etc. S1fit...S5fit Statistics Sets the type of the following constant numbers or names into a variable S1fit, S2fit, etc. 1 Linear 2 LogFit 3 ExpFit 4 Power 5 QuadFit 6 Cubic 7 Logist 8 ExpFit 9 TrigFit 10 User Defined Example Cubic or S2fit 6 S2fit 18-40 Programming From Symbolic Setup view, specify the fit in drawing the regression line.
hp 39gs_user's guide_English_E_HDPMG39AE13.pdf
Page 310
regression analysis 10-17 fit models 10-13 formula 10-12 user-defined fit 10-13 relative error statistical 10-18 resetting aplet 19-3 calculator R-3 memory R-3 result copying to edit line 1-22 reusing 1-22 root interactive 3-10 nth 13-6 variable 18-34 root-finding displaying 7-7 interactive 3-9 operations 3-10 ... decomposition matrix 15-13 singular values matrix 15-13 sketches creating 17-5 creating a blank graphic 18-23 creating a set of 17-5 erasing a line 18-20 labeling 17-5 opening view 17-3 sets 17-5 storing in graphics variable 17-5 slope 3-10 soft key labels 1-2 solve error messages 7-7...
regression analysis 10-17 fit models 10-13 formula 10-12 user-defined fit 10-13 relative error statistical 10-18 resetting aplet 19-3 calculator R-3 memory R-3 result copying to edit line 1-22 reusing 1-22 root interactive 3-10 nth 13-6 variable 18-34 root-finding displaying 7-7 interactive 3-9 operations 3-10 ... decomposition matrix 15-13 singular values matrix 15-13 sketches creating 17-5 creating a blank graphic 18-23 creating a set of 17-5 erasing a line 18-20 labeling 17-5 opening view 17-3 sets 17-5 storing in graphics variable 17-5 slope 3-10 soft key labels 1-2 solve error messages 7-7...