The randNorm function in the TI-83 was used to generate the following 50 numbers with a mean of 75 and standard deviation of 5.
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The randNorm function in the TI-83 was used to generate the following 50 numbers with a mean of 75 and standard

deviation of 5. Use the empirical rule, a histogram, and a normal quantile plot to determine if this data could have come from a normal distribution. Explain clearly how each of these tools provide evidence for your conclusion.




Screen Shot 2019-10-22 at 12.05.13 PM.png

Screen Shot 2019-10-22 at 12.05.13 PM.png

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A
B
C
D
E
F
125
126
# 1
127 count
50
128
129 empirical rule
130
mean - 1s
70.5800
131
mean + 1s
80.8200
132
percent in interval (68.26%)
64.0%
133
mean - 2s
65.4600
134
mean + 2s
85.9400
135...

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