Question

In: Statistics and Probability

The following data represent the dividend yields​ (in percent) of a random sample of 28 publicly...

The following data represent the dividend yields​ (in percent) of a random sample of 28 publicly traded stocks. (a) Compute the​ five-number summary. ​(b) Draw a boxplot of the data. (c) Determine the shape of the distribution from the boxplot.

1.25 0.49 1.66 2.7 0.42 2.75 0.69
0 0.28 2.79 0 1.55 2.84 0.48
0.48 3.58 1.09 0.92 2.57 3.23 0
0.12 0 2.44 2.19 2.99 1.87 0.51

Solutions

Expert Solution


Related Solutions

The following data represent the dividend yields? (in percent) of a random sample of 28 publicly...
The following data represent the dividend yields? (in percent) of a random sample of 28 publicly traded stocks. 2.55   0.47 1.59 0.44   0.07 2.53 0.14 2.04 0.47 2.98 0 2.88 3.2 0.31 0.57 3.43 2.35 0.97 1.31 2.94 0 0.37 0 1.93 0 1.61 0.44 0.23 Compute the? five-number summary
The following data represent a sample of the assets (in millions of dollars) of 28 credit...
The following data represent a sample of the assets (in millions of dollars) of 28 credit unions in a state. Assume that the population in this state is normally distributed with σ=3.5 million dollars. Use Excel to find the 99% confidence interval of the mean assets in millions of dollars. Round your answers to three decimal places and use ascending order. Assets 12.23 2.89 13.19 73.25 11.59 8.74 7.92 40.22 5.01 2.27 16.56 1.24 9.16 1.91 6.69 3.17 4.78 2.42...
The following data represent the level of happiness and level of health for a random sample...
The following data represent the level of happiness and level of health for a random sample of individuals from the General Social Survey. A researcher wants to determine if health and happiness level are related. Use the αα = 0.05 level of significance to test the claim. Health Excellent Good Fair Poor Very Happy 271 261 82 20 Pretty Happy 247 567 231 53 Not Too Happy 33 103 92 36 *Source: General Social Survey 1) Determine the null and...
The following data represent the battery life, in hours, for a random sample of ten full...
The following data represent the battery life, in hours, for a random sample of ten full charges on ipod music player. 7.3 10.2 12.9 10.8 12.1 6.6 10.2 9.0 8.5 7.1 a) construct a 90% confidence interval for the mean number of hours the battery will last on this player. b) Suppose you wanted more accuracy. What can be done to increase the accuracy of the interval without changing the level of confidence? thank you.
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts​ (a) through​ (d) below. 5.30 5.72 4.99 4.80 5.02 4.57 4.74 5.19 5.29 4.76 4.56 4.91 ​(a) Determine a point estimate for the population mean. A point estimate for the population mean is nothing. ​(Round to two decimal places...
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts​ a) through​ d) below. 5.05 5.72 5.24 4.80 5.02 4.59 4.74 5.19 5.29 4.76 4.56 5.70 LOADING... Click the icon to view the table of critical​ t-values. c) Construct and interpret a 99​% confidence interval for the mean pH...
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts​ (a) through​ (d) below 5.58 5.58 5.72 5.24 5.24 4.80 5.02 5.03 5.03 4.74 5.19 4.87 4.87 4.76 4.56 4.91 4.91 ​(a) Determine a point estimate for the population mean. A point estimate for the population mean is nothing....
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts​ a) through​ d) below. 5.58 5.72 4.89 4.80 5.02 4.58 4.74 5.19 4.61 4.76 4.56 5.69
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts​ (a) through​ (d) below. Open in StatCrunch + Copy to Clipboard + Open in Excel + 5.585.58 5.72 4.624.62 4.80 5.02 4.684.68 4.74 5.19 5.345.34 4.76 4.56 5.305.30 ​(a) Determine a point estimate for the population mean. A point...
The following data represent the flight time​ (in minutes) of a random sample of seven flights...
The following data represent the flight time​ (in minutes) of a random sample of seven flights from one city to another city.282 268 258 264 255 261 267   Compute the range and sample standard deviation of flight time. The range of flight time is . The sample standard deviation of flight time is . ​(Type an integer or decimal rounded to one decimal place as​ needed.)
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT