Use the Following Information to Answer the Question

question 42

Essay

Use the following information to answer the question. Almas caviar is a very expensive Iranian brand of Beluga sturgeon caviar. A one pound gold- plated tin typically costs $12,000 or more. In a blind taste test, a group of food experts tasted four premium Beluga sturgeon caviars, with the most expensive one being Almas caviar. When asked to pick the most expensive caviar, 141 got it right and 79 got it wrong.
-Calculate the observed value of the chi- square statistic by hand. Show all your work. Round to the nearest hundredth.

Describe the characteristics of a positive association between variables.

Understand how to summarize the overall pattern of a scatterplot.

Apply knowledge of statistical analysis to real-world problems, such as studying the association between climate variables and disease prevalence.

Understand the concept of moving averages and how to calculate them.