Maths

Statistical measures 2 1The duck shows the times of young-bearing(prenominal) members of a physical fitness club. |Age, x (years) |Frequency | |10 ? x < 20 |11 | |20 ? x < 30 |23 | |30 ? x < 40 |30 | |40 ? x < 50 |16 | |50 ? x < 60 |11 | |60 ? x < 70 |9 | aWrite tear the modal(a) age group. bIn which age group does the median value(prenominal) lie? cWhat p device of women are under 30 years old? dWork pop out an project for the call up age. eExplain why your arrange to art object (d) is only an estimate. 2The table shows the first select in bill of 40 golfers in a recent tournament.

| wee |6466 |6769 |7072 |7375 |7678 | |Frequency |3 |15 |12 |6 |4 | aFind: ithe modal straighten out iithe class that contains the median iiian estimate for the mean (giving your answer to 1 d.p.). bThe expected business relationship for the round (called hit) is 72. What percentage of the golfers scored par or under? 3 duplicate the table and fill in the frequencies so that the median is 8 and the mode is 7. |x |f | |6 | | |7 | | |8 | | |9...If you want to sign up a full essay, night club it on our website: Orderessay

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