Question

In a survey about the dependency of older people, 23 persons over 75 years were asked about the help they need in daily life. The answers were

BDABCCBCDEABCEABCDBBAA B

where the meanings of letters are:

A No help. B Help climbing stairs. C Help climbing stairs and getting up from a chair or bed. D Help climbing stairs, getting up and dressing. E Help for almost everything.

Cumulative relative frequency

Frequency

Construct the frequency distribution table and a suitable chart.

Answer 1

From given data, Frequency distribution of reely and given a felelny distoibution of reply frequency в 8 с 5 0) 3 Е 2 2de clorange reply in the descending order of tredency TA Relative faequency 8/23 = 0,348 5/23 = 0,217 5/20 = 0,217 3/3 = 01/304 2/23 = 01082 Cumulative relative Prequenca. 101348 0,566 01282 0.912 0.999 20 in Pareto chart it given as, Frequency. Cumulative.zelative Hrequency Conclusion About 35 % old people From cumulative foedu reply, A i B f ( rept gives reply B (0.348). about 78% (0.782) gives 25