20MA215 & PROBABILITY AND STATISTICS - Surprise Test I (2024-25)

Name of the Student

Register Number

The region which corresponding to a statistics ‘t’ in the sample space S which amounts to rejection of the null hypothesis is called ____

• Level of Significance
• Null Hypothesis
• Alternate Hypothesis
• Critical region

The standard deviation of the sampling distribution of the statistics is known as its ____

• Sample size
• Population size
• Standard error
• Critical value

The probability that a random value of the statistics ‘t’ belongs to the critical region is known as ____

• population parameters
• sample parameters
• sample statistic
• Level of Significance

In small sampling test, the size of the sample n must be _________

• >30
• <30
• >50
• <50

Type II error is also known as _____

• Critical value
• Test statistics
• Consumer’s risk
• Producer’s risk

A hypothesis that is complementary to the null hypothesis is called ___________

• Level of significance
• Type I error
• Alternate hypothesis
• Critical region

Type I error is _____.

• accept H_0 when it is false
• reject H_0 when it is true
• reject H_1 when it is true
• accept H_1 when it is false

Level of significance is the size of ______

• Type I error
• Type II error
• sample
• Population