GATE-ES SERIES Mathematics-foundation
Hypothesis Testing
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
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2024 1
2022 Chapter Questions 2 MCQs
01
PYQ 2022
medium
mathematics-foundation ID: gate-es-
A student reported the following arsenic concentrations in water samples:
| Arsenic concentration (mg/L) | 0.10 | 0.12 | 0.20 | 0.05 | 0.40 | 0.30 | 0.35 |
|---|
Which one of the following is a correct statement about arsenic concentration distribution?
1
Arsenic concentration distribution is symmetric
2
Arsenic concentration distribution is positively skewed
3
Arsenic concentration distribution is negatively skewed
4
Arsenic concentration is following Weibull distribution
02
PYQ 2024
medium
mathematics-foundation ID: gate-es-
A population (with mean μ) follows normal distribution. Ten samples (N) are drawn at random with a mean value of "x" and standard deviation of "S". Following table provides the confidence limits, C(t) of the cumulative probability function for Student's t - distribution two-tailed test with degree of freedom, D.
Which one of the following expression is correct for testing the null hypothesis at 10% significance level?
Which one of the following expression is correct for testing the null hypothesis at 10% significance level?
| D | C(t) | ||
| 0.9 | 0.95 | 0.975 | |
| 9 | 1.38 | 1.83 | 2.26 |
| 10 | 1.37 | 1.81 | 2.23 |
| 11 | 1.36 | 1.80 | 2.20 |
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