Question

Name: Score STATS EXPRESS Daily Graded Problem LOCK 2.3 Di u On test one in a Statistics class - 83 and 5 1. Fill in the 5 tick marks below to represent the test scores 1 2. Beneath those scores, mark and label the corresponding Z-scores. 3. Give an interval that would capture 95% of the test scores: The dot plot represents the mean exercise hours per week for n = 360 students 50 40 JO 20 Well 10 il. 0 5 35 10 20 40 15 25 30 4. What is 5% of the data values? 5. This gives us the number of dots in the two tails combined, half in each tail. How many data values are in each tail? 6. Count this number of dots in from each tail. Place a mark at each bound. Lower bound is: Upper Bound is:

Answer 1

(+-s , x +5) - (78 , 88) (+-25, F+252 - (+3 , १3) (2 -35, X+35) - (68, ११) (1) - + 68 73 78 83 88 93 १४ । २) Z -3 -2 -1 0 12-2 3 १57. Area Would be within 2-sd with in the meem 7378 83 885 ... 45% - (73,93)