Compare and Contrast United States and China
Compare and contrast the United States and China across various geographic dimensions.
Calculating the mean, the standard deviation and the confidence interval of a dataset
1. Calculate the mean and standard deviation for the following dataset: [4.3, 8.4, 5.6, 6.1, 7.5] 2. Calculate the 95% confidence interval around the mean.
Calculating Overall mean and Inferential tests
I. Which measure of central tendency would you use to summarize the data below? 11.2, 13.9, 15.8, 16.6, 28.2, 12.1, 17.3 a. Arithmetic mean b. Mode c. Median d. Weighted mean II. Use the following scenario presented below to answer questions 1 to 2: January rainfall (mm) was recorded at four weather stations alo ...continues
Correlation Analysis & Pearson
I have tried these questions with no luck (see attached file). Is there a quide that you can provide that will help me figure out what test I should be using for certain datasets? Please help!!! thanks.
13. Researchers found a correlation of 0.74 between sex (male, female) and education (high school, undergraduate, graduate). What of the following statments is correct? a. more males continue to graduate studies b. more females continue to graduate studies c. it is not appropriate to calculate a correlation coefficient for ...continues
I have been struggling with these questions for days now (see file attached). Can you please help? thanks.
Question: An analyst working at BC Statistics is compiling a report on the use of the internet at home. In 1997, 250 randomly selected people were asked about the average amount of time spent on the internet per week. The same 250 people were re-surveyed in June 2000. Which test should the analyst to determine whether the home u ...continues
Go to http://www.weather.unisys.com/upper_air/ua_500.html to bring up the current 500mb chart for the U.S. What is the wind speed and direction at Denver on the 500 mb chart? Be sure to indicate the direction (North, Northwest, etc.) that the wind is coming FROM.
Dew point, Air temperature and Precipitation
In areas of precipitation, the dew point and air temperature are higher than in the surrounding areas not receiving rain. In areas of precipitation the dew point and air temperature are also the same or close to being the same. What can you say about the relationship between air temperature and the air's dew point for stations ...continues
pressure changes and high pressure areas
Pressure changes on the west side of a high pressure area tend to decrease and tend to increase on the east side of a high pressure area. Explain this phenomenon?
