Question
MAT220 33: Statistics l [MOD2B ONLINE (1023-12/17) 0 Test: POST UNIT 4 Test CH 6 & 7 This Question: 1 pt 47 of 13 (1 This Test: 13 pts possible Queston Help n the fgure represents a narmal distr bnon with mean u 9 and standard doviabon o-2 The oter graph represents a normal dstrbuton with mean how you know 16 and stand ard deviation 2 Determine which graph which gsplain 20 Choose the correct answer belaw Graph A has a mean of -16 and graph B has a mean of -9 because a w gor mean shins the graph to the nght A 0 B. Graph A has a mean of -sand ,aph B has a mean of -16 oarse a la ter moon inns main onennt OC. Graph A has a mean of»-9and graph B has a mean of -t6 because a larger mean shifts the gach to left 0 D. Graph A has a mean of u-16 and graph B has a mean or -9 because s wgor meen shirts the graph to the lot
Explanation / Answer
Graph A has a mean of 9 and std. dev. 2 and Graph B has mean 16 and std. dev. 2. Because larger mean shifts graph to the right.
This is because scale starts from the left (zero) and 9 is the number which comes first.
Option (B) is correct
