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DarkendSinz30
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Construct both an ungrouped and a grouped frequency distribution for the data given below:
124 115 111 112 118 123 121 116 114 113
118 110 110 112 116 118 120 115 120 110
 2 years ago
 2 years ago
DarkendSinz30 Group Title
Construct both an ungrouped and a grouped frequency distribution for the data given below: 124 115 111 112 118 123 121 116 114 113 118 110 110 112 116 118 120 115 120 110
 2 years ago
 2 years ago

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DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
I know I have to organize them from least to greatest right?
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
yes. for the grouped frequency distribution, how many intervals are needed?
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
110,110,110,111,112,112,113,114,115,115,116,116,118,118,118,120,121,123,124
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
I am going to say 4?
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
dw:1354405916219:dw
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
is there any formula for this number of intervals?
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
I don't follow if there is I can't remember what the formula is?
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
the general rule is to use not too few and not too many intervals. so 4 is okay me.
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
just make sure that the low interval must include 110 and the high interval must include 124. also, equal intervals are preferred over unequal intervals, particularly to ratio type of data.
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
dw:1354406677376:dw
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
does that look right?
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
nope. the sizes are different. try 110113, 114117,118121, 122125
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
okay it will be the numbers though right?
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
X F  110  113 7 114  117 5 118  121 5 122  125 2
 2 years ago

DarkendSinz30 Group TitleBest ResponseYou've already chosen the best response.0
That looks better
 2 years ago

sirm3d Group TitleBest ResponseYou've already chosen the best response.0
there are 20 data points in your given, but you only have a total of 19 in your grouped frequency distribution.
 2 years ago
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