# Which value is equivalent to mafs912n cn11 webb 1 a i

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18.Which value is equivalent to? MAFS.912.N-CN.1.1 Webb: 1 A. iB. –1C. –iD. 1
19.Mrs. Patterson recorded her students’ grades from a test in the table below.GradeNumber ofStudents A 4 B 8 C 6 D 4 F 2 Which of the following cannotbe concluded from the data in the table? MAFS.912.S-IC.2.6 Webb: 2 20.Which data set is least likely to resemble a normal distribution? MAFS.912.S-ID.1.4 Webb: 1 21.Which value of xwould make the expression below equal to 7? MAFS.912.N-RN.1.1 Webb: 2
22.A university professor and his students did a study to determine the mean length of bass in a lake. Each time a basswas caught, its length was measured in inches, and then it was released. The distribution of the lengths is shown inthe graph below.Based on this graph, which measurement represents the best estimate for the mean length of bass in the lake? MAFS.912.S-IC.2.4 Webb: 2 A. 11 inchesB. 17 inchesC. 18 inchesD. 19 inches
23. A survey of 40 randomly selected males and 40 randomly selected females shows that, on average, males spend 0.6 more hours watching television than females. In order to determine if this difference is statistically significant, the researcher uses advanced statistical techniques to run a simulation of this situation 100 times. Let M = Average time males spend watching television Let W = Average time females spend watching television Let N = M W The results are displayed in the graph below. Based on the results of these simulations, at the 0.05 level of significance, is there statistically significant evidence that males watch more television than females? MAFS.912.S-IC.2.5 Webb: 3 A. There is evidence that males watch more television than females because a difference of 0.6 occurred only 1% of the time B. There is evidence that males watch more television than females because a difference of 0.6 or greater occurred only 2% of the time. C. There is not evidence that males watch more television than females because a difference of 0.6 or greater occurred 2% of the time. D. There is not evidence that males watch more television than females because a difference of 0.6 or greater occurred 6% of the time.

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