A researcher was interested in whether head worn displays were better than tablet displays for assisting rst responders with their tasks. He had 17 paramedics use either a head worn display (n = 9) or a tablet display (n = 8) during a simulated medical emergency. Each paramedic’s subjective workload score was measured out of 20 (where 20 indicated the highest workload). The data did not conform to the assumptions of a parametric test. a. What is the rank sum for the Head worn display group? a. 80 b. 73 c. 71 d. 82 b. What is the WS? a. 71 b. 80 c. 73 d. 82 c. What critical value of WS do you compare your obtained value to? a. 53 b. 54 c. 49 d. 51

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A researcher was interested in whether head worn displays were better than tablet displays for assisting rst responders with their tasks. He had 17 paramedics use either a head worn display (n = 9) or a tablet display (n = 8) during a simulated medical emergency. Each paramedic’s subjective workload score was measured out of 20 (where 20 indicated the highest workload). The data did not conform to the assumptions of a parametric test.

 

a. What is the rank sum for the Head worn display group?

a. 80

b. 73

c. 71

d. 82

 

b. What is the WS?

a. 71

b. 80

c. 73

d. 82

c. What critical value of WS do you compare your obtained value to?

a. 53

b. 54

c. 49

d. 51

Head Tablet
worn display
display
13
12
13
9
11
12
9
14
9
11
15
12
10
11
10
13
10
Transcribed Image Text:Head Tablet worn display display 13 12 13 9 11 12 9 14 9 11 15 12 10 11 10 13 10
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