Question

xDo Homework - Helder Rosa C Statistics and Probability ques x + ← → C 술 https://www.mathxl.com/Stu rkld-513308019&questionld-9&flushed-false&cld-5317806&centerwin-yes Helder Rosa 1 MAT143 Spring 2019 OL Homework: Section 2.2 Homework Score: 0 of 1 pt 2.2.21 1/15/19 8:20 AM Save 9 of 12 (11 complete) HW Score: 76.39%, 9.17 of 12 pts EQuestion Help Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 125.0 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why EEB Click the icon to view the data. Complete not? the frequency distribution below. Voltage (voltsF Freque More Info 25.0- Voltage Measurements From a Home Home Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts)data Type integers or decimals rounded to the nearest tenth as needed.) 125.2 8 25.3 15 25.7 22 125.5 set 2 125.6 9 125.5 6 125.5 23 125.2 3 125.5 10 25.7 17 25.1 24125.2 4 125.6 1 25.4 18 125.2 25 125.5 5 126.6 12 125.5 19 25.5 6 125.1 13 125.5 20 25.9 1254 1425.4 21 125.7 Print Done Enter your answer in the edit fields and then click Check Answer. Clear All Check Answer

Answer 1

Voltage			Frequency
125.0-125.2			2
125.2-125.4			5
125.4-125.6			11
125.6-125.8			6
125.8-126.0			1

the result appear to be normal ; as frequencies are symmetrically distributed