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Secure /student/PlayerHomework aspx? homeworkld-406802789& questionld-1&flushed-false;&cld-; 4284133&centerwin; yes MAT305-Statistics-02, UG Spring 2017. Session 1 Eva Smith 2/5/17 4:51 PM Homework: Week 4 Homework Save Score 0 of 1 pt HW Score: 0%, 0 of 10 pts 9 of 10 (1 complete) 6.3.20 Question Help A mill cuts pieces of steel into parts that will later be used as the frame for front seats in an automotive plant. The steel is cut with a diamond saw, and the resulting parts must be within t0.005 inch ofthe length specified by the automobile company The data are shown in the accompanying table. The measurement reported is the difference, in inches, between the actuallength of the steel part and the specified length of the steel part. Complete parts (a) and (b). Click the icon to view the data. EE Click here to view age 1 of the cumulative standardized normal distribution table ck here to view page 2 of the cumulative standardized normal distribution table a. Decide whether the data appear to be approximately normally distributed by comparing data characteristics to theoretical properties. Based on the theoretical properties of the normal distribution. do the data appear to be approximately normally distributed? O A. No, the mean and the median are significantly different. O B. Yes, the distribution of the data appears to closely resemble a normal distribution. O C. No, the interquartile range is more than twice the standard deviation. O D. No, the range is less than 3 times the standard deviation. Click to select your answer and then click Check Answer. 2 parts remaining Clear All Check Answer

Explanation / Answer

From The data

Mean=4413/30 =147.1

Median =144.5

Mode= highest frequency =171

Mean,median and modes are unequal hence we say that it does not follow binomial distribution

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