Problem

The exam scores of 50 students in a class follow:92719153999388956567987665688291934477100...

The exam scores of 50 students in a class follow:

92	71	91	53	99	93	88	95	65	67
98	76	65	68	82	91	93	44	77	100
88	87	56	85	60	98	89	70	78	82
78	70	78	89	34	95	67	88	89	78
77	65	88	78	59	50	66	76	91	87

(a) What is the average (mean) score in the class?
(b) More students got a ______ score than any other score. (mode)
(c) What is the median score?
(d) Compute the standard deviation of the data using equation 10.4 and a calculator or software.

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Solutions For Problems in Chapter 10

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Recent Solutions

92	71	91	53	99	93	88	95	65	67
98	76	65	68	82	91	93	44	77	100
88	87	56	85	60	98	89	70	78	82
78	70	78	89	34	95	67	88	89	78
77	65	88	78	59	50	66	76	91	87

92	71	91	53	99	93	88	95	65	67
98	76	65	68	82	91	93	44	77	100
88	87	56	85	60	98	89	70	78	82
78	70	78	89	34	95	67	88	89	78
77	65	88	78	59	50	66	76	91	87

92	71	91	53	99	93	88	95	65	67
98	76	65	68	82	91	93	44	77	100
88	87	56	85	60	98	89	70	78	82
78	70	78	89	34	95	67	88	89	78
77	65	88	78	59	50	66	76	91	87