Your progress
Ticks are kept only in this browser: clearing your browsing data or changing device loses them. · ·

Intermediate November 2020 Unit 2 Q14

WJECIntermediateCurrent spec4 marksGrouped Data

14. Data for different values of \(t\) are shown in the table below.

\(t\)Frequency
\(0 \leqslant t < 5\)8
\(5 \leqslant t < 10\)0
\(10 \leqslant t < 15\)7
\(15 \leqslant t < 20\)5

Calculate an estimate for the mean value of \(t\). [4]

‹ Previous104 of 153 in Grouped DataNext ›