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Safari File Edit View History Bookmarks Window Help 4) 20% D sun 11:00 PM Q. E mathxl.com Math 227 Statistics section 20883 Mark Rodriguez-Abad9/16/18 11:00 PM | Homework: Section 3.3 Homework (Optional) Save MyL ab Sta Score: 1 of 6 pts Hw Score: 37.5%, 3 of 8 pts | 2 of 2 (2 complete) LOS A MISSI (%) 3.3.5-T Question Help e o The following data represent the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Complete o My Coursesparts (a) through (c). Temperature (F 50-59 Course Hom Homework Quizzes& Lecture ab ActivitieC. No, the frequency histogram of the data is uniform. Gradebook 60-69 70-79 80-89 90-99 100-109 Days 1491 1549 298 Is the distribution bell shaped? A. Yes, the frequency histogram of the data is bell shaped. OB. No, the frequency histogram of the data is skewed right. D. No, the frequency histogram of the data is skewed left. (c) According to the Empirical Rule, 95% of days in the month will be between what two temperatures? StatCrunchl LTFanTF MultimediaL Round to one decimal place as needed. Use ascending order.) Chapter Con Enter your answer in the edit fields and then click Check Answer eText Tools for Purchase Options Study Plan All parts showing Clear All Check Answer OK 16

Explanation / Answer

According to empirical rule 95 % of the data values lies within 2 standard deviation of the mean.

We use excel to calculate mean and standard deviation

According to empirical rule, 95 % of days in the month will be between 45oF and 114oF

Mean 79.6 sd 17.46 Mean-2*sd      45 Mean-+2*sd 114

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