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Given the following data on number of pints of ice sold at a local ice cream store for 6-period time frame:
a) Evaluate a 3-period moving average for period 7
b) Evaluate the MAD of forecast
Statistics and Probability, Statistics
A research concludes that the number of hours of exercise per week for adults is normally distributed with a mean of 3.5 hours and a standard deviation of 3 hours. (a) Find the 75th percentile for the distribution of exe ...
What were the causes of the Cold War? Also, describe the steps that the USA took to meet the perceived Soviet threat during the 1940s, '50s and '60s. Be sure to include the following topics: Iran crisis of 1946 Iron Curt ...
1. Why do researchers care how much variability exists in a set of data? 2. Distinguish between descriptive and inferential statistics. 3. Conceptually, what does the variance tell us about a set of data?
Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is from the suit of hearts and the second card is also from the suit of hearts? (Note there are 13 cards from the sui ...
A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...
1. What geographical and historical factors have led Singapore to develop such a particular, and highly valued, local form of the English language? 2. Why are the tiny Spratly Islands such a controversial issue in Southe ...
Case Study: Mikhail Gorbachev's 1988 UN SpeechIf the pace of improving US-Soviet relations seemed rapid, Mikhail Gorbachev's speech to the United Nations General Assembly would shift the process into overdrive. In this ...
A researcher conducted an experiment to examine the effects of distracting noise on people's ability to solve anagrams (scrambled letters that can be unscrambled to make words). Participants worked on anagrams for 10 ...
Hello Kitty Company claims that the proportion of its employees investing in individual investment accounts is higher than national proportion of 50%. A survey of 100 employees in Hello Kitty Company indicated that 58 of ...
Describe the technologies that contributed to the development and advancement of the newspaper from small, infrequent circulations of a few brief pages to the mass production of daily, extensive pages of news.
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