- Battery 1 Battery 2 Battery 3 Battery 4 25 27 20 28 29 38 24 37 21 28 16 19 2 A Consumer Research Group Tested Four P 1 (16.56 KiB) Viewed 23 times
- Battery 1 Battery 2 Battery 3 Battery 4 25 27 20 28 29 38 24 37 21 28 16 19 2 A Consumer Research Group Tested Four P 2 (45.85 KiB) Viewed 23 times
2. A consumer research group tested four popular brands of batteries to see how long they lasted. The number of hours the batteries lasted before having to be replaced are shown in the table below. (12 pts) Battery Battery 2 Battery 3 Battery 4 25 27 20 28 29 38 24 37 21 28 16 19 A State the appropriate hypotheses for a test of the difference between means. (4 pts) B. Run the ANOVA data analysis for this problem and attach/email your output (4 pts) The C. Which battery had the longest average life? shortest? (1 pt, 0.5 pts each) D. What is the p-value? (1 pt.) E. At the 0.05 level of significance you will (1 pt.) reject the null not reject the null F. And conclude that (1 pt.) _not all of the means are equal there is no significant difference in the means