17 Questions
What is the formula to calculate the mean of a set of data?
Sum of all values divided by the number of values
If the grades of a student in 5 subjects are: 78, 88, 89, 90, and 95, what is the mean grade?
86
What does the median of a set of data represent?
The middle value of the data set when arranged in order
In statistics, what does 'mode' refer to?
The most frequently occurring value in a data set
What does standard deviation measure in a data set?
The dispersion or variability of data points from the mean
According to the empirical rule, what percentage of data falls within one standard deviation from the mean?
~68%
What is the mean score of the students in Example 1?
77.99
How can you calculate the median from a grouped data set?
Use the formula: Md = LMd + [(N/2 - CF)/f] * w
What does the standard deviation measure?
The average distance of each data point from the mean
Which formula can be used to find the mode in statistics?
Mode = The most frequent value in the data set
What does the empirical rule state about normal distributions?
68% of data points fall within 1 standard deviation of the mean
What is the mode of the scores in the Statistics Test?
20
How would you describe the distribution of the scores in the Statistics Test?
Bimodal
What is the mean age of the patients at Hospital X?
30.25 years old
What method was used to find the mean age of the patients at Hospital X?
Summation of (Frequency * Class Mark)
Which value represents the class mark for the age group 24-32 at Hospital X?
27.5
In the Math 200 Exam, what calculation involves multiplying frequency with its respective class mark?
Determining Mean
Test your knowledge of calculating the mode of a set of scores with this Statistics quiz question. Determine the mode from a given list of scores and enhance your understanding of statistical measures.
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