Which test is used when sample size is large (>30) and population standard deviation is known?
Z-test is used when sample size is large (>30) and population standard deviation is known.
Number of umbrellas sold in city B is approximately how much percent of the total number of umbrellas sold in city D?
Find the number of mobile phones sold by shopkeeper B.
Number of Sold Nokia mobile in months of March and December together is what percentage more or less than number of sold Samsung mobile in Months of Au...
Average of unsold pens of shops B, C and E is 290. If Red pens of E which were unsold was 124 than find the number of Black pens which were unsold.
Find the ratio between total books sold from shop C to that of shop B.
Find the ratio of m:g.
If the number of red pens sold by shopkeeper ‘F’ is 20% less than the average number of red pens sold by shopkeeper A and B, then find the number of...
What is the ratio of the number of Refrigerators in the Store C to the number of Refrigerators in the Store D?
Find the average number of students participated in all the sports events in 2012.
Find the respective ratio of the number of bags sold by shop A on Wednesday and Monday together and the number of bags sold by shop C on Friday and Satu...
