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Answer:
The second statement is Correct.
Step-by-step explanation:
Consider the provided information.
It is given that Antonio uses a calculator to find and gets a result of –10.
So, the first statement is incorrect.
2nd statement: Antonio found the answer for
The second statement is Correct.
Third statement: Antonio found the answer for
So, the third statement is incorrect.
Fourth statement: Antonio found the answer for
So, the fourth statement is incorrect.
Hence, the second statement is Correct.
Answer:
Mean = 3.12, Variance = 3.324, Standard deviation = 1.8232
Step-by-step explanation:
Total number of students = 10 students.
Given data, 1.1, 5.2, 3.6, 5.0, 4.8, 1.8, 2.2, 5.2, 1.5, 0.8
To find the mean, at first we have to take the sum of all given data and then divide with the number of students.
Let the data is X, = 1.1, + 5.2, + 3.6, + 5.0, + 4.8, + 1.8, + 2.2, + 5.2, + 1.5, + 0.8 = 31.2
Mean = 31.2 / 10 = 3.12