The weights, in grams, of 50 laboratory rats are given below. | | | | | | | | | | |…

MATHEMATICS · Multi-part · GCSE · Mathematics · Statistics · Statistics

Problem

The weights, in grams, of 50 laboratory rats are given below.


261	133	173	295	265	142	140	271	185	251
166	100	292	107	201	234	239	159	153	263
195	151	156	117	144	189	234	171	233	182
165	122	281	149	152	289	168	260	256	156
239	203	101	268	241	217	254	240	214	221

(1) Choose suitable class intervals to group the data. (2) Organise the data in a frequency table. (3) Draw a frequency histogram to display the data. (4) What percentage of the rats weigh less than 200 grams?

Related theory

Quantitative Data
Graphical Representation of Data
Data Collection & Organization
Grouped frequency distributions
Statistics
Histograms

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261	133	173	295	265	142	140	271	185	251
166	100	292	107	201	234	239	159	153	263
195	151	156	117	144	189	234	171	233	182
165	122	281	149	152	289	168	260	256	156
239	203	101	268	241	217	254	240	214	221


261	133	173	295	265	142	140	271	185	251
166	100	292	107	201	234	239	159	153	263
195	151	156	117	144	189	234	171	233	182
165	122	281	149	152	289	168	260	256	156
239	203	101	268	241	217	254	240	214	221


261	133	173	295	265	142	140	271	185	251
166	100	292	107	201	234	239	159	153	263
195	151	156	117	144	189	234	171	233	182
165	122	281	149	152	289	168	260	256	156
239	203	101	268	241	217	254	240	214	221