RIS HOW TALL Valid 1230 Missing 2612 Mean 67 Sid. Deviation 4 Minimum 57 Maximum 79 a) Find the z-score for someone 70 inches tall. What does it mean? b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or shorter? c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or taller?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Statistics
RIS HOW TALL
Valid
1230
Missing
2612
Mean
67
Std. Deviation
4
Minimum
57
Maximum
79
a) Find the z-score for someone 70 inches tall. What does it mean?
b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall
or shorter?
c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall
or taller?
d) Find the z-score for someone 56 inches tall. What does it mean?
e) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall
or shorter?
) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall
or taller?
g) Assuming that the distribution is normal, what proportion of the sample is between 56
and 70 inches tall?
Transcribed Image Text:Statistics RIS HOW TALL Valid 1230 Missing 2612 Mean 67 Std. Deviation 4 Minimum 57 Maximum 79 a) Find the z-score for someone 70 inches tall. What does it mean? b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or shorter? c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or taller? d) Find the z-score for someone 56 inches tall. What does it mean? e) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall or shorter? ) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall or taller? g) Assuming that the distribution is normal, what proportion of the sample is between 56 and 70 inches tall?
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