Four students measure the length of a minute-long trial four times. They record their measurements as shown.

Julian:
57.3 seconds, 58.8 seconds, 59.5 seconds, 62.1 seconds

Mia:
58 seconds, 59 seconds, 60 seconds, 61 seconds

Sonu:
50 seconds, 60 seconds, 60 seconds, 70 seconds

Parul:
57.23 seconds, 59.32 seconds, 62.34 seconds, 63.91 seconds

Whose measurements were the most precise?

Julian’s
Mia’s
Sonu’s
Parul’s

Question

Four students measure the length of a minute-long trial four times. They record their measurements as shown.

Julian:
57.3 seconds, 58.8 seconds, 59.5 seconds, 62.1 seconds

Mia:
58 seconds, 59 seconds, 60 seconds, 61 seconds

Sonu:
50 seconds, 60 seconds, 60 seconds, 70 seconds

Parul:
57.23 seconds, 59.32 seconds, 62.34 seconds, 63.91 seconds

Whose measurements were the most precise?

Julian’s 
Mia’s 
Sonu’s
Parul’s

horsegirl27 · Answer

Well, do you understand what precise means?

horsegirl27 · Answer

it's asking who is more exact. 3 of the 4 have decimals... so who has the most exact times?

anonymous · Answer

Thats the point im confused with the whole thing

horsegirl27 · Answer

Well, it's all about precision, precision being exact. You'll see Sonu has exact times because they have no decimals. Understand now?

anonymous · Answer

Kinda