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What is statistic? - Business Mathematics and Statistics

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प्रश्न

What is statistic?

योग
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उत्तर

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

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Concepts of Sampling
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Sampling techniques and Statistical Inference - Exercise 8.1 [पृष्ठ १८५]

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सामाचीर कलवी Business Mathematics and Statistics [English] Class 12 TN Board
अध्याय 8 Sampling techniques and Statistical Inference
Exercise 8.1 | Q 3 | पृष्ठ १८५

संबंधित प्रश्न

Non-sampling errors can be minimized by taking large samples. 


What is population?


A sample of 1000 students whose mean weight is 119 lbs (pounds) from a school in Tamil Nadu State was taken and their average weight was found to be 120 lbs with a standard deviation of 30 lbs. Calculate the standard error of the mean


In a sample of 400 population from a village 230 are found to be eaters of vegetarian items and the rest non-vegetarian items. Compute the standard error assuming that both vegetarian and non-vegetarian foods are equally popular in that village?


Choose the correct alternative:

A ______ may be finite or infinite according as the number of observations or items in it is finite or infinite


Choose the correct alternative:

A ______ is one where each item in the universe has an equal chance of known opportunity of being selected


Choose the correct alternative:

Which one of the following is probability sampling


Choose the correct alternative:

In ______ the heterogeneous groups are divided into homogeneous groups


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

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