Question

1) The results of a survey that collected the current credit card balances for 36 undergraduate college students are given in the file “College Credit Card.’

a) Using the 2^k > n rule, construct a frequency distribution for these data.

b) Using the results from a), calculate the relative frequencies for each class.

c) Using the results from a), calculate the cumulative relative frequencies for each class.

2467 3373 434 1426 4628 167 5927 4064 4503 2600

3673 4231 1788 5805 5395 733 4890 1455 5817 1145

846 739 4370 986 5729 1159 1021 1563 967 499 353 2297 289 375 162 1740

Answer 1

2* sule The that Says whexe c lasses of is the numbex data Points of number the found by The wid th alass be Com of each laxgest Smallest Value Value - using this Psoblem, daba Poinks the se 36 axe 2° > 36 Ccalape) largest Vale. smalled valhe wid th of each Glas 5927 - 167 - 960 class size lo00 Scnned with CS CamScanner

2"2 ule GonsMickion ob fxequemcy distsibubion using class (a) class class boundoy Tally Fxequemcy limit |- lo00 0.5 to lo005 n un| 1001- 2000/ lo0-s to Co00.5/ H II 2001- 3000/2000.5 to 3000.5/ I 3000 -400030s lo4o00s 4ool-S0o0 4000-5 to so06-5 1 I Sool - Goo0 S00.S to GO00.5 (b) class limit Relati ve class Frequency fse2uency | - 1000 12 36 12 : 0.333 looa -2000 : 0.222 36 2001 - 3000 : 0.083 3001-4000 : 0.056 4001 -S00 0.167 SoOp -6000 Total = 36 Scanned with CS CamScanner

alass cumulalive Relative eumula cla ss Freguoney Relative frequcy Ase 2 limit Psequencs 12 |- lo00 12 0.333 0.333 20 1001-2000 0.222 O.SS5 2001-3000 23 O.083 O.638 300l- 4000 0. 056 O.694 4001-5000 O.167 O.861 31 S001-Good O.139 cs Sanned with CamScanner