HW 2 Tab: Jefferson Because of high tuition costs at state and private universities, enrollments at...

 

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HW 2 Tab: Jefferson Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The Jefferson data shows the enrollment for Jefferson Community College for the nine most recent years (a) Construct a time series plot. What type of pattern exists in the data? (1/2 point) (b) Use simple linear regression analysis to find the estimated regression equation that explains the pattern of enrollment over time. (1 point) (c) What is the forecast for period 10? (1/2 point) 020 3 4 A 1 Period (t)Enrollment (1000s) 6.5 8.1 8.4 10.2 12.5 13.3 13.7 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 File Home Insert Draw Page Layout From Text/CSV LA From Web Get Data From Table/Range 33 34 35 36 37 38 39 40 AutoSave Off H5.C. ▼ Ready > 1 2 3 4 5 6 7 8 9 1 66°F Get & Transform Data fx B SUMMARY OUTPUT ANOVA Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations 17.2 18.1 Regression Residual Total Intercept X Variable 1 Partly cloudy Hawkins Accessibility: Investigate From Picture Recent Sources Existing Connections с 0.98681 0.97379 0.97004 0.69973 9 df D 20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 Jefferson HW2 ✓ 0 Formulas Data E Refresh All + Review View Automate Help Queries & Connections Properties Edit Links Queries & Connections F G Chart Title 4 SS MS F gnificance F 1 127.313 127.313 260.024 8.6E-07 7 3.42733 0.48962 8 130.74 Period H 6 I Vertical (Value) Axis Major Gridlines ■ ■ Search Coefficientsandard Err t Stat P-value Lower 95%Upper 95%wer 95.0%pper 95.0% 4.71667 0.50834 9.27856 3.5E-05 3.51463 5.9187 3.51463 5.9187 1.45667 0.09033 16.1253 8.6E-07 1.24306 1.67027 1.24306 1.67027 Stocks Q Search J Data Types 10 roa Currencies K L ↓ ZA Sort Z Z↓ M Filter Sort & Filter N 0 Clear Reapply Advanced P 纽 8 B² Text to Columns G Q Data Tools R S NA What-If Forecast Analysis Sheet Forecast T U Frederick Cox Outline V Comments Data Analysis Analysis W 4x X Y X Share 12:41 AM 10/6/2023 87% HW 2 Tab: Jefferson Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The Jefferson data shows the enrollment for Jefferson Community College for the nine most recent years (a) Construct a time series plot. What type of pattern exists in the data? (1/2 point) (b) Use simple linear regression analysis to find the estimated regression equation that explains the pattern of enrollment over time. (1 point) (c) What is the forecast for period 10? (1/2 point) 020 3 4 A 1 Period (t)Enrollment (1000s) 6.5 8.1 8.4 10.2 12.5 13.3 13.7 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 File Home Insert Draw Page Layout From Text/CSV LA From Web Get Data From Table/Range 33 34 35 36 37 38 39 40 AutoSave Off H5.C. ▼ Ready > 1 2 3 4 5 6 7 8 9 1 66°F Get & Transform Data fx B SUMMARY OUTPUT ANOVA Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations 17.2 18.1 Regression Residual Total Intercept X Variable 1 Partly cloudy Hawkins Accessibility: Investigate From Picture Recent Sources Existing Connections с 0.98681 0.97379 0.97004 0.69973 9 df D 20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 Jefferson HW2 ✓ 0 Formulas Data E Refresh All + Review View Automate Help Queries & Connections Properties Edit Links Queries & Connections F G Chart Title 4 SS MS F gnificance F 1 127.313 127.313 260.024 8.6E-07 7 3.42733 0.48962 8 130.74 Period H 6 I Vertical (Value) Axis Major Gridlines ■ ■ Search Coefficientsandard Err t Stat P-value Lower 95%Upper 95%wer 95.0%pper 95.0% 4.71667 0.50834 9.27856 3.5E-05 3.51463 5.9187 3.51463 5.9187 1.45667 0.09033 16.1253 8.6E-07 1.24306 1.67027 1.24306 1.67027 Stocks Q Search J Data Types 10 roa Currencies K L ↓ ZA Sort Z Z↓ M Filter Sort & Filter N 0 Clear Reapply Advanced P 纽 8 B² Text to Columns G Q Data Tools R S NA What-If Forecast Analysis Sheet Forecast T U Frederick Cox Outline V Comments Data Analysis Analysis W 4x X Y X Share 12:41 AM 10/6/2023 87%

Answer rating: 100% (QA)

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