Quiz of the applied knowledge of statistics
The answer of quiz is white letter.
The table under this sentence is the result of mathematics and Japanese test.Answer the question.
The average of japanese test is that of mathematics test.
(1)What is α?
(2)Calculate correlation coeffcient of the score of mathematics and Japanese test.
A table under this sentence is correlative table of the score that ten music university students evaluated by piano and recorder performance.Calculate correlation coeffcient of the score of piano and recorder.