Question

Step 3 of 5: Calculate the estimated variance of slope, s²_b1. Round your answer to three decimal places.

Step 4 of 5: Construct the 80% confidence interval for the slope. Round your answers to three decimal places.

Step 5 of 5: Construct the 90% confidence interval for the slope. Round your answers to three decimal places.

The data in the table is the number of absences for 7 students and their corresponding grade. 3 6 6 7 Number of Absences 2 3 3.8 3.7 3.4 3 2.9 1.8 1.6 Grade Table Copy Data Step 3 of 5 Calculate the estimated variance of slope, Round your answer to three decimal places. Tables Keypad Answer How to enter your answer Previous Answers

Answer 1

Biutio from given Dala No of AbSeLeg Grade Cy-9) Cx) CY) 3.9565 3.8 o 0a56 3.54012 3 3.4 0. 0196 3.54012 0 085 a9077 0 3 g9077 O. 409 187439 0 053 Ex 32 ECy-9)o.84| . SSE 0.842 Cexy Ex2 Ca 3435466 - (sa) lo G8- 6 2851

SSE O 849 1-9 0 1685 O1685 21.143 O O078 0.008 inierval for Gipo bi 'S coofiderxe So1 SSE 0-1- 0-1,5 1645 1.4159 X 0 1685 Y 0 4165 1.4759 x O 088

0 13003 O 41645 t -o.1645 013003) - O. 41G45 O 13003 286 C O 546 SSE X n 2 Sm 0.IG5 0 15 x o.088 -0.41645 -0 H1645 I75 C-0 4165-017 52 339) C-0. 594