Question

205	327	189	205	148	139	178	157	188	301
195	185	164	182	201	248	298	264	177	169
174	169	155	188	194	192	177	189	188	176
158	305	248	189	209	159	202	177	278	268
166	285	249	203	199	170	165	180	201	209
301	188	165	173	183	206	202	283	207	156

Create Frequency table ( with intervals, frequency, relative frequency, and cumulative relative frequency )

Answer 1

the maximum value is 327 and minimum value 139 their difference is 327-139 =188 if we want to divide the data into 10 intervals we will take nearly 20 as class width as taken in table interval starting from 130 and ending with 330 such that all data is taken in these boundaries.

corresponding frequency is written in column .

relative frequency =

cumulative relative frequency = it is the sum of the relative frequencies for all values that are less than or equal to the given value as shown in table

class interval	frequency	relative frequency	cumulative rel. frequency
130-150	2	0.033333	0.033333
150-170	11	0.183333	0.216667
170-190	19	0.316667	0.533333
190-210	15	0.25	0.783333
210-230	0	0	0.783333
230-250	3	0.05	0.833333
250-270	2	0.033333	0.866667
270-290	3	0.05	0.916667
290-310	4	0.066667	0.983333
310-330	1	0.016667	1
total	60	1