b Answered: + knewton_dataset_1 X B 3.6 Using the Normal Distributio x A d2l.yorktech.edu/d2l/le/content/971993/viewContent/5455780/View Use the normal distribution to compute a value for a random variable given probability - Excel Question Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of u = 81 points and a standard deviation of o = 4 points. The middle 50% of the exam scores are between what two values? • Use Excel, and round your answers to the nearest integer. Provide your answer below: B FEEDBACK MORE INSTRUCTION SUBMIT Content attribution i 4:12
b Answered: + knewton_dataset_1 X B 3.6 Using the Normal Distributio x A d2l.yorktech.edu/d2l/le/content/971993/viewContent/5455780/View Use the normal distribution to compute a value for a random variable given probability - Excel Question Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of u = 81 points and a standard deviation of o = 4 points. The middle 50% of the exam scores are between what two values? • Use Excel, and round your answers to the nearest integer. Provide your answer below: B FEEDBACK MORE INSTRUCTION SUBMIT Content attribution i 4:12
b Answered: + knewton_dataset_1 X B 3.6 Using the Normal Distributio x A d2l.yorktech.edu/d2l/le/content/971993/viewContent/5455780/View Use the normal distribution to compute a value for a random variable given probability - Excel Question Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of u = 81 points and a standard deviation of o = 4 points. The middle 50% of the exam scores are between what two values? • Use Excel, and round your answers to the nearest integer. Provide your answer below: B FEEDBACK MORE INSTRUCTION SUBMIT Content attribution i 4:12
Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of μ=81 points and a standard deviation of σ=4 points. The middle 50% of the exam scores are between what two values?
Use Excel, and round your answers to the nearest integer.
Transcribed Image Text:b Answered: + knewton_dataset_1 X
B 3.6 Using the Normal Distributio x
A d2l.yorktech.edu/d2l/le/content/971993/viewContent/5455780/View
Use the normal distribution to compute a value for a random variable given probability - Excel
Question
Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean of
u = 81 points and a standard deviation of o = 4 points. The middle 50% of the exam scores are between what two
values?
• Use Excel, and round your answers to the nearest integer.
Provide your answer below:
B FEEDBACK
MORE INSTRUCTION
SUBMIT
Content attribution
i 4:12
Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.
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