(wolio! Jlgw) For the following frequency table, if the arithmetic mean equals 9, then the constant 3k equals Class f [0- 4] [5 9] (10 14] 7 [15 – 19] 2 2k O 10 O 8 O 17 O 2 O 12
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![(wolio! Jlgw) For the following frequency table, if the arithmetic mean equals 9, then the constant 3k equals
Class
f
[0- 4]
[5-9]
[10 14] 7
[15 – 19] 2
2k
O 10
O 8
O17
O 2
O 12
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- 1. 2. 3. A restaurant offers 10 appetizers and 25 main courses. In how many ways can a person order a two-course meal consisting of an appetizer and a main course? (A) 2 (B) 15 (C) 35 (D) 250 In how many ways can 6 bands line up to play a show? (A) 6 (B) 36 (C) 720 What is the value of the following expression: (A) 990 (B) 2640 11! (11 - 3)! (C) 3960 (D) 46, 656 (D) 79203. Graphically Subtract (-1+i) from (3+2i) Point +Move A Undo A Red 4 3. 2. 19:4 (b). The numbers 3, 2, 5.8, 7.9 and 4.5, have frequencies x, (x + 2), (x + 3) and (x + 6) respectively. If the arithmetic mean is 4.876, find the value of x.
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- Find the: lmd (lower boundary of the median class) n/2 (half of the total frequency) <cfb (cumulative frequency before the median class) fmd (frequency of the median class) c (class size) lmo (lower boundary of the modal class) fmo (frequency of the modal class) f1 (frequency before the median class) f2 (frequency after the median class)Find 3. 2. n-2 /FThank you. Is the calculation correct for (50-4)2/1000 you said 1 there instead of 2
- CH 7.1: #1Suppose the mean of group1 is A and mean of group 2 is B. We combine groups of 1 and 2 to form group 3 . Is the mean Group 3 equal to A+B ? ExplainSuppose the mean of Group I is A and the mean of Group II is B. We combine Groups I and II to form Group III. Is the mean of Group III equal to a+b/2? Explain.
