(Case Study) A group of children who lived near a lead smelter in El Paso, Texas, were identified and their blood levels of lead were measured. An exposed group of 80 children were identified who had blood-lead levels 2 40 ug/ mL in 1972-1973, and it was identified as group 2. A control group of 112 children were also identified who had blood-lead levels < 40 ug / mL in 1972-1973, and was identified as group-1. For both groups, the number of finger-wrist taps in the dominant hands (MAXFWT) for the both groups are displayed with a box plot as shown below: M 70 80 A F W 55 49 49 40 Group-1 Group-2 How many children in the control group have the number of finger-wrist taps in the dominant hands between 49 and 70?
(Case Study) A group of children who lived near a lead smelter in El Paso, Texas, were identified and their blood levels of lead were measured. An exposed group of 80 children were identified who had blood-lead levels 2 40 ug/ mL in 1972-1973, and it was identified as group 2. A control group of 112 children were also identified who had blood-lead levels < 40 ug / mL in 1972-1973, and was identified as group-1. For both groups, the number of finger-wrist taps in the dominant hands (MAXFWT) for the both groups are displayed with a box plot as shown below: M 70 80 A F W 55 49 49 40 Group-1 Group-2 How many children in the control group have the number of finger-wrist taps in the dominant hands between 49 and 70?
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Transcribed Image Text:(Case Study) A group of children who lived near a lead smelter in El Paso, Texas, were identified
and their blood levels of lead were measured. An exposed group of 80 children were identified
who had blood-lead levels 2 40 µg/mL in 1972-1973, and it was identified as group 2. A control
group of 112 children were also identified who had blood-lead levels < 40 ug / mL in 1972-1973,
and was identified as group-1. For both groups, the number of finger-wrist taps in the dominant
hands (MAXFWT) for the both groups are displayed with a box plot as shown below:
80
70
55
49
49
40
Group-1
Group-2
How
many
the dominant hands between 49 and 70?
children in the control group have the number of finger-wrist taps in
MAKEWT
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