This is a 90-minute test and please gives me the answer. If you have enough time, you can give me an explanation about it. The deadline is 9:30 in the Hong Kong time zone. Here are the questions.

QUESTION 13

(24 marks)SalesLeads4U provides an algorithm that gives a numerical customer quality score (between 0 and 200) that is supposed to predict how much a customer will spend.

(a) The plot below is a scatterplot of score against spending. Comment on what the plot shows about the relationship between score and spending. 4 marks

\fBb Take Test: STAT1060 Form *Course Hero. Ask a Question *Homework Help - Q&A fr X Homework Help- Q&LA fr X: Migos, Nicki Minaj, Ca. uonline.newcastle.edu.au/webapps/assessment/take/launch.jsp?course_assessment_id=_132407_1&course_id=_1415409_1&content_id=_5099313_1&step=n... YAB H YT IG . GBP Tra NBA Sy Sup SC drop OF @ FB @ 1: @ L ) 3 LOL W WH 2 sky @ boc Pal @ id P Palace OG PRE ki Bose opgg & UON Remaining Time: 1 hour, 59 minutes, 09 seconds. Question Completion Status: Standard Error 29.3228 Observations 200 ANOVA Significance df SS MS Regression 1 4567.49 4567.49 5.312105 0.022215 Residual 198 170245.7 859.8268 Total 199 174813.2 Standard Upper Lower Upper Coefficients Error t Stat P-value Lower 95% 95% 95.0% 95.0% Intercept 16.40905 10.67363 1.537345 0.125805 4.63954 37.45764 -4.63954 37.45764 score 0.246269 0.106851 2.3048 0.022215 0.035558 0.45698 0.035558 0.45698 (b) Type the predicted regression equation. 4 marks (c) Use the predicted regression equation to predict amount if score is 120. 4 marks (d) Using the confidence interval, is the slope of the regression line statistically significantly different from zero? 4 marks e) What does the R square value tell you about the regression? 4 marks Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit image00260b46e61.gif image00160b46e61.gif CH P 31 C BAR ENG 8:11 17/6/2021