You are watching: If the standard deviation for a set of data is 0, which of the following must be true?
Amy is looking right into investing a section of her current bonus right into the share market. While researching various companies, she discovers the following standard deviations of one year of daily stock closeup of the door prices.a. Garden Statues Express: typical deviation of share prices = $9.65b. Masterful Pocketwatches: typical deviation of share prices = $1.05 based on the data and also assuming these fads continue, which company would give Amy a stable irreversible investment?
a worth that is useful in to compare data worths from populations with different way and conventional deviationsa. Discrete variableb. Standard deviationc. Z score
which of the following is true? a. Population estimator is computed because that data from a sample b. A populace parameter is computed because that data from a sample c. A allude estimator is computed for data indigenous a sample d. A allude estimator is computed because that data native the entire population
Z-score is likewise know together ... A. Square of the standard deviation b. Square root of the sample variance c. Square the the typical d. Standardized value
Which of the complying with is true? a.The sum of the deviations is zero b. The sum of the square root of the deviations is zero c. The sum of the squares of the deviations is zero d. The sum of the absolute values of the deviations is zero
Which the the adhering to is true follow to Chebyshev"s theorem?a. At least 1/2 the the observations should autumn within one standard dev. B. At the very least 5/6 that the monitorings should fall within three standard dev. C. At least 7/8 the the monitorings should autumn within 4 standard dev. D. At least 3/4 that the monitorings should loss within two traditional dev.
Statistical approaches in Business and Economics15th EditionDouglas A. Lind, Samuel A. Wathen, wilhelm G. Marchal
See more: 1.4 Million Euros To Dollars, Convert Euros (Eur) To Us Dollars (Usd)