CBSE Class 11 Commerce Statistics For Economics Free Doubts and Solutions
CBSE - XI Commerce - Statistics for Economics
from the following paragraph prepare a frequency table of the number of the letters in a word ignoring the punctuation marks "by statistics
CBSE - XI Commerce - Statistics for Economics
What is primary data
CBSE - XI Commerce - Statistics for Economics
formit of mean mode median
CBSE - XI Commerce - Statistics for Economics - Presentation of Data
In some examples of my statistics book in the chapter arithmetic line graphs and time series graphs, the first year on the X axis has been taken to be at the origin (see attached). However in some other examples the first year on the X axis has been taken to be after the origin. Which way is correct?

CBSE - XI Commerce - Statistics for Economics - Measures of Central Tendency
Marks. More than 0 More than 10 More than 20 More than 30 More than 40 More than 50 No.of students 50 46 40 20 10 3 Find mean by direct method
CBSE - XI Commerce - Statistics for Economics
What kind of diagram is more effective in representing components of cost in a factory? my book says the answer is subdivided bar diagram but since we have only one factory, why?
CBSE - XI Commerce - Statistics for Economics - Measures of Correlation
Solve using formula Sigma xy/ root sigmax2 sigma y2
