Correct Answer: Option A
Explanation
\(mean(x) = \frac{20t}{5} = 4t\\standard\hspace{1mm}deviation=\sqrt{\frac{10t^2}{5}}\\\sqrt{2}=\sqrt{\frac{10t^2}{5}}\\\sqrt{2}=\sqrt{2t^2}\\2 = 2t^2\\t^2=1\\t=1\)
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}