CUET Mathematics - For 95% confidence interval for a population mean reported to be 132 to 142 with standard deviation = 17.85 then the sample size used in this case, is: [Given that: Z_0.025 = 1.96] | PYQs + Solutions

CUET Mathematics 2025 2 June Shift 1

Statistics & Applications

Medium

applied

✅ Correct Option: 2

Related questions:

30 May Shift 2

If a 99% confidence interval states that the population mean is greater than 100 and less than 400. Then the sample mean and margin of error respectively are:

26 May Shift 2

Consider the following test:

H₀: μ ≤ 12

H₁: μ > 12

A sample of 36 provided a sample mean $\bar{x} = 16$ and a sample standard deviation S=4.2. Then the value of the t- test statistic is:

22 May Shift 1

Consider the following hypothesis test:

$H_0: \mu \leq 16$

$H_a: \mu > 16$

A sample of 25 provided a sample mean $\bar{x} = 17$ and a sample standard deviation $s = 3.5$ , then the value of the test statistic in $t$ -test is:

CUET Mathematics 2025 2 June Shift 1 PYQs

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