In a study, the data you collect is  Gender What type of the data is this?   Quantitative - Discrete Quantitative - Continuous Qualitative (Categorical)

Which statistical analysis is needed to address this research question: Relationship commitment will change over time. One sample t-test Two sample t-test ANOVA Paired sample t-test

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Can someone please help? Thank you.

Stocks and Sunspots. Listed below are annual high values of the Dow Jones Industrial Average (DJIA) and annual mean sunspot numbers for eight recent years. Use the data for Exercises 1–5. A sunspot number is a measure of sunspots or groups of sunspots on the surface of the sun. The DJIA is a commonly used index that is a weighted mean calculated from different stock values. Correlation  Use a 0.05 significance level to test for a linear correlation between the DJIA values and the sunspot numbers. Is the result as you expected? Should anyone consider investing in stocks based on sunspot numbers?

A correlational study is designed to _______. Group of answer choices assess the association between two categorical variables compare the means of three or more groups manipulate the independent variables assess the association between two interval measures