1-According to the Empirical Rule what percent of the population is…
1-According to the Empirical Rule what percent of the population is between 2 standard deviation below the mean and 1 standard deviations above the mean? 97.35% 16% 2.5% 83.85% 0.15% 81.5%
ADDRESS TOWN YEAR BUILT LIST PRICE ASSESSMENTS TAXES SALE PRICE…
ADDRESS TOWN YEAR BUILT LIST PRICE ASSESSMENTS TAXES SALE PRICE SQUARE FEET 1077 Main St Agawam, MA 2019 339900.00 75600.00 1259.00 320000.00 1600 44 Rochester St Chicopee, MA 1900 155000.00 105800.00 1847.00 160000.00 638 13 PIERCE ST Agawam, MA 1900 139000.00 115600.00 1925.00 147500.00 704 55 James St Agawam, MA 1928 235000.00 121300.00 2041.00 […]
Dogs are inbred for such desirable characteristics as blue eye…
Dogs are inbred for such desirable characteristics as blue eye color; but an unfortunate by-product of such inbreeding can be the emergence of characteristics such as deafness. A 1992 study of Dalmatians (by Strain and others, as reported in The Dalmatians Dilemma) found the following: (i) 31% of all Dalmatians have blue eyes. (ii) 38% […]
Which of the measures of central tendency – mean, median, and mode…
Which of the measures of central tendency – mean, median, and mode – is most relevant for understanding the following Number of publications as a measure of success among professors in a department Income inequality in the United States Students’ performance in college Workers’ productivity in an automobile factory. Demonstrations, strikes, and riots as measures […]
Wha is the cumulative area from the left under the curve…
<p> Wha is the cumulative area from the left under the curve for a z-score of -1.732? What is the area on the right of that z-score? Hint: You will have two answers (one for the left and one for the right). Student’s partially finished answer: The first part is to find the […]
In 1668 Francesco Redi did a series of experiments on spontaneous…
In 1668 Francesco Redi did a series of experiments on spontaneous generation. He began by putting similar pieces of meat into eight identical jars. Four jars were left open to the air, and four were sealed. He then did the same experiment with one variation: instead of sealing four of the jars completely, he covered […]
Of the four different types (e.g. normal, positively skewed,…
Of the four different types (e.g. normal, positively skewed, negatively skewed, or bi-modal), identify the frequency distribution by its shape in the chart above and also state some of its specific characteristics (i.e. characteristics = what can we say about this set of scores)? Remember, a “distribution” is defined as an organized set of scores […]
Women’s pulse rates are normally distributed with a mean…
<i> Women’s pulse rates are normally distributed with a mean of 67.8 beats per minute and a standard deviation of 13.3 beats per minute. What is the z-score for a woman having a pulse rate of 63 beats per minute? Student’s incorrect answer: Let z =(x-μ)/σ z =((67.8 – 63))/(13.3) z = […]
In Excel, we can use the binomial distribution to calculate the…
In Excel, we can use the binomial distribution to calculate the probability of getting three heads in three tosses of a coin as: A. BINOM(3,0.5,3,TRUE) B. BINOM(3,3,0.5, FALSE) C. BINOM.INV(3,3,0.5, TRUE) D. BINOM.DIST(3,3,0.5, FALSE)
• Is the model significant at a 5% level of significance? Carry…
• Is the model significant at a 5% level of significance? Carry out the overall F-test by identifying the null hypothesis, the alternative hypothesis, the P-value, and the conclusion of the test. • Which terms are significant at a 5% level of significance? Carry out individual beta tests by identifying the null hypothesis, the alternative […]
