All the properties of order, interval and zero origin are simultaneously possessed by :
| A. | Nominal Data |
| B. | Interval Data |
| C. | Ratio Data |
| D. | Ordinal Data |
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Option: C Explanation : Click on Discuss to view users comments. |
Under which of the following situations, chi - square test is applicable ?
(a) testing homogenity
(b) testing goodness of fit
(c) testing equality of two sample means
(d) testing equality of two sample proportions
(e) testing independence of attributes
Codes :
| A. | Only (a), (b) and (c) |
| B. | Only (a), (b) and (e) |
| C. | Only (c), (d) and (e) |
| D. | Only (a), (c) and (e) |
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Option: B Explanation : Click on Discuss to view users comments. |
Which one of the following is not the correct statement regarding sampling distribution of mean ?
| A. | Sampling distribution of mean is normally distributed for large sized samples. |
| B. | Sampling distribution of mean is normally distributed for small sized samples drawn from not normally distributed population. |
| C. | 't' distribution is not normally distributed. |
| D. | Mean of the sampling distribution of mean is equal to the parametric value of mean. |
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Option: B Explanation : Click on Discuss to view users comments. |
Consider the following statements and identify the wrong statements :
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Statement – I |
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Accepting null hypothesis, when it is false, is called a level of significance. |
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Statement – II |
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1 — α is called power of a test. |
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Statement – III |
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Critical value of Z - static for two - tailed test at 5% level of significance is 1.96 |
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Codes : |
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| A. | Statements I, II and III |
| B. | Statements I and III |
| C. | Statements II and III |
| D. | Statements I and II |
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Option: D Explanation : Click on Discuss to view users comments. |
