Posted: November 3rd, 2015

Statistics

Statistics

1.   Are there any outliers in the data set that have an effect on the mean? If so, please identify the outlier(s) and explain your rationale for identifying the data point(s) as an outlier(s).  If not, please provide a rationale as to why there are no outliers in the data set.

(Note: you may need to employ more than one strategy, e.g., look at the SPSS data editor to answer this, and “eyeball” the data, examine the frequency distribution, or compare the measures of central tendency, etc.)

2. In your opinion, which measure of central tendency is the most appropriate to use in this case? Why?

Statistics

Prejudice

N
Valid     20
Missing   0
Mean      84.70
Median    87.00
Mode      87

Prejudice

Frequency       Percent      Valid Percent         Cumulative Percent
Valid  55        1              5.0                 5.0
5.0    64        1              5.0                 5.0
10.0   67        1              5.0                 5.0
15.0   76        1              5.0                 5.0
20.0   77        1              5.0                 5.0
25.0   81        2              10.0                10.0
35.0   82        1              5.0                 5.0
40.0   87        4              20.0                20.0
60.0   89        1               5.0                5.0
65.0   93        1               5.0                5.0
70.0   94        2               10.0               10.0
80.0   96        1               5.0                 5.0
85.0   99        3              15.0                 15.0
100.0
Total           20
100.0             100.0

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