English
Tamil Nadu Board of Secondary EducationHSC Commerce Class 12

What is statistic? - Business Mathematics and Statistics

Advertisements
Advertisements

Question

What is statistic?

Sum

Solution

Statistic: Any statistical measure computed from sample is known as statistic.

shaalaa.com
Concepts of Sampling
  Is there an error in this question or solution?
Chapter 8: Sampling techniques and Statistical Inference - Exercise 8.1 [Page 185]

APPEARS IN

Samacheer Kalvi Business Mathematics and Statistics [English] Class 12 TN Board
Chapter 8 Sampling techniques and Statistical Inference
Exercise 8.1 | Q 3 | Page 185

RELATED QUESTIONS

Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?


Discuss how you would use the lottery method to select 3 students out of 10 in your class?


Do samples provide better results than surveys? Give reasons for your answer.


What is population?


What is standard error?


Explain in detail about non-sampling error


 A wholesaler in apples claims that only 4% of the apples supplied by him are defective. A random sample of 600 apples contained 36 defective apples. Calculate the standard error concerning of good apples


Choose the correct alternative:

In simple random sampling from a population of units, the probability of drawing any unit at the first draw is


A sample of 100 students is drawn from a school. The mean weight and variance of the sample are 67.45 kg and 9 kg. respectively. Find (a) 95% (b) 99% confidence intervals for estimating the mean weight of the students


Use the data in the Table below that relate to monthly household expenditure (in Rs) on the food of 50 households and

1904 1559 3473 1735 2760
2041 1612 1753 1855 4439
5090 1085 1823 2346 1523
1211 1360 1110 2152 1183
1218 1315 1105 2628 2712
4248 1812 1264 1183 1171
1007 1180 1953 1137 2048
2025 1583 1324 2621 3676
1397 1832 1962 2177 2575
1293 1365 1146 3222 1396

Monthly Household Expenditure (in Rupees) on Food of 50 Households

Find the number of households whose monthly expenditure on food is

(a) less than Rs 2000
(b) more than Rs 3000
(c) between Rs 1500 and Rs 2500

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×