Q5. Consider a random sample of 20 concentrations of calcium carbonate (CaCo.) in milligrams per liter. 130 129 131 131 129 132 131 127 127 133 132 134 131 133 129 131 128 132 132 131 (a). What is the mean concentration? Soln. (b). What is the median concentration? Soln.

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(c). What is the mode of the concentration?
Soln.
(d). Find the first quartile(Q,) and the third Quartile(Q,) of the above data and use the 1.51QR
rule to determine if there are any outliers in the data.
Seln
Transcribed Image Text:(c). What is the mode of the concentration? Soln. (d). Find the first quartile(Q,) and the third Quartile(Q,) of the above data and use the 1.51QR rule to determine if there are any outliers in the data. Seln
Q5.
Consider a random sample of 20 concentrations of calcium carbonate (CaCo,) in milligrams per
liter.
130 129 131 131 129 132 131 127 127 133
132 134 131 133 129 131 128 132 132 131
(a). What is the mean concentration?
Soln.
(b). What is the median concentration?
Soln.
Transcribed Image Text:Q5. Consider a random sample of 20 concentrations of calcium carbonate (CaCo,) in milligrams per liter. 130 129 131 131 129 132 131 127 127 133 132 134 131 133 129 131 128 132 132 131 (a). What is the mean concentration? Soln. (b). What is the median concentration? Soln.
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