Question

Which of the data sets below has a total of 7 data points (observations)? A) 18, 91, 93, 55, 57, 18 B) 25, 26, 28, 91, 18 C) 9, 12, 8, 5, 12, 9,7 D) 7,5, 9, 11, 13, 4, 9, 18 E) 95, 91, 87, 99, 95, 84, 77

Answer 1

To know the number of data points, simply count the number of values in the data, these values are separated by a comma

Option A: 18, 91, 93, 55, 57, 18. is not correct (it has 6 data points)

Option B: 25, 26, 28, 91, 18, is not correct ( it has 5 data points)

Option C: 9, 12, 8,5, 12, 9, 7. is correct (it has 7 data points)

Option D: 7,5, 9, 11, 13, 4, 9, 18. is not correct ( it has 8 data points)

Option E: 95, 91, 87, 99, 95, 84, 77​. is correct (it has 7 data points)

Options C and E are correct