Why are statistics needed and how are they used in psychological research

Answer each bulletin with 150 words, each bulletin must be answered with 150 wordsrequirement. Please use original wording, no quotation or paraphrasing. this will be placedthrough the plagiarism checker. Please use the following reference to answer the questions:Privitera, G. (2016). Essential Statistics for the Behavioral Science. Retrieved from TheUniversity of Phoenix eBook Collection.Subject: PSY/315 Statistical Reasoning in PsychologyQuestion 1150 words requirementWhy are statistics needed and how are they used in psychological research?Question 2150 words requirementWhat are some differences between primary and secondary data?Question 3150 words requirementWhat do the terms reliability and validity refer to?Question 4150 words requirementCan a measure be reliable and not valid? Explain.Question 5150 words requirementCan a measure be valid but not reliable? Explain.Question 6150 words requirementDescribe the differences between descriptive and inferential statistics and their use in thesocial sciences.

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