標準分=

13 統計_標準分_方差

Quiz
•
Mathematics
•
KG - University
•
Medium
Mok Wai莫達威老師
Used 4+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知 得分 70 平均分 50 標準差 10
求 標準分
2
—2
1.2
—1.2
Answer explanation
標準分=(得分-平均)/標準差
標準分=(70-50)/10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知 得分 62 平均分 50 標準分 3
求 標準差
4
—4
1.18
—1.18
Answer explanation
標準分=(得分-平均)/標準差
3=(62-50)/標準差
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知 得分 60 標準分 -4 標準差 5
求 平均分
80
40
12.8
11.2
Answer explanation
標準分=(得分-平均)/標準差
-4=(60-平均分)/5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知 標準分 4 平均分 50 標準差 5
求 得分
70
30
13.75
10.8
Answer explanation
標準分=(得分-平均)/標準差
4=(得分-50)/5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當得分 大於 平均分時,標準分會是
正數
0
1
負數
Answer explanation
標準分=(得分-平均)/標準差
當得分大於平均 分子為 正數
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當得分 小於 平均分時,標準分會是
正數
0
1
負數
Answer explanation
標準分=(得分-平均)/標準差
當得分小於平均 分子為 負數
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