The summary table from this marketing experiment is given below. How many people took part in the study?

Tests of Within-Subjects Effects
Measure: MEASURE_1

Source
Type III Sum of Squares
df
Mean Square
F
Sig.
tasks
170.408
1
170.408
42.416
.000
tasks * Sex
175.208
1
175.208
43.610
.000
tasks * Age
17.817
2
8.908
2.217
.119
tasks * Sex  *  Age
16.117
2
8.058
2.006
.144
Error(tasks)
216.950
54
4.018
 
 

Tests of Between-Subjects Effects

Measure: MEASURE_1
Transformed Variable: Average

Source
Type III Sum of Squares
df
Mean Square
F
Sig.
Intercept
20988.075
1
20988.075
3623.840
.000
Sex
330.008
1
330.008
56.980
.000
Age
22.650
2
11.325
1.955
.151
Sex * Age
9.017
2
4.508
.778
.464
Error
312.750
54
5.792
 
 

A. 54
B. 58
C. 60
D. 64


Answer: C

Education

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