DH202 EXAMINATION SET 2026 SOLVED
QUESTIONS GRADED A+
● Which is determined by subtracting the highest score from the lowest
score?. Answer: Range
● Which theorem suggests that if an infinite number of randomly
selected samples is drawn from a population, the means of the samples
tend to be normally distributed, and the average of the sample mean is
very close to the mean?. Answer: Central limit
● T/F: The mean of the following set of values is 3: 7, 7, 8, 8, and 5..
Answer: False
● The mode is the ________.. Answer: Most frequently occurring value
● Which of the following is determined by subtracting the square of the
standard deviation?. Answer: Variance
● T/F: A bar graph is used to present categorical data.. Answer: True
● Most events in this world tend to fall into a bell-shaped curve called a
normal distribution, sometimes called the ________.. Answer: Gaussian
distribution
, ● T/F: A histogram uses dots on a frequency table.. Answer: False
● The mean is commonly considered to be the ________.. Answer:
Average
● What requires that critical thinking be used to explain the meaning
and application of the findings and identify possible factors that could
influence the results?. Answer: Interpretation
● Which is the most common correlation coefficient?. Answer: Pearson
product-moment correlation coefficient
● This error occurs when the null hypothesis is rejected, and it is true..
Answer: Type I
● Which is a perfect correlation?. Answer: +1
● This refers to a relationship or association between variables that can
be measured mathematically.. Answer: Correlation
● Scales of Measurement. Answer: Nominal, ordinal, interval, and ratio
● Discrete Variable. Answer: Represented numerically
QUESTIONS GRADED A+
● Which is determined by subtracting the highest score from the lowest
score?. Answer: Range
● Which theorem suggests that if an infinite number of randomly
selected samples is drawn from a population, the means of the samples
tend to be normally distributed, and the average of the sample mean is
very close to the mean?. Answer: Central limit
● T/F: The mean of the following set of values is 3: 7, 7, 8, 8, and 5..
Answer: False
● The mode is the ________.. Answer: Most frequently occurring value
● Which of the following is determined by subtracting the square of the
standard deviation?. Answer: Variance
● T/F: A bar graph is used to present categorical data.. Answer: True
● Most events in this world tend to fall into a bell-shaped curve called a
normal distribution, sometimes called the ________.. Answer: Gaussian
distribution
, ● T/F: A histogram uses dots on a frequency table.. Answer: False
● The mean is commonly considered to be the ________.. Answer:
Average
● What requires that critical thinking be used to explain the meaning
and application of the findings and identify possible factors that could
influence the results?. Answer: Interpretation
● Which is the most common correlation coefficient?. Answer: Pearson
product-moment correlation coefficient
● This error occurs when the null hypothesis is rejected, and it is true..
Answer: Type I
● Which is a perfect correlation?. Answer: +1
● This refers to a relationship or association between variables that can
be measured mathematically.. Answer: Correlation
● Scales of Measurement. Answer: Nominal, ordinal, interval, and ratio
● Discrete Variable. Answer: Represented numerically
