Psychological Statistics : Basic Concepts

• Kircy has a research study about academic stress with a population of 1000 COS students. She took 100 as respondents and got a mean score of 85.5 labeled as 'academically-stressed,' a few points away from the actual population mean which is 85.8 . What do you call this?

  Sampling Error
• Queen Alysa wanted to conduct a research study among college students. Because of the overflowing number of students which are 15,000 she took only a portion of them. What do you call this?

  Sample
• Frances conducted a survey regarding the height differences of 25 of her classmates male and female. She got the 25 respondents from their class of 60 students. What is the group of 60 called? Population
• Mina was hungry after a long gym training at Venus Muscle Factory, while packing his stuff he felt the after-gym freshness. In his thoughts were categories he meant to measure, which was the relationship of his physical activities into his stress regulation. These categories are called

  Variables
• A group of friends was playing cards and out of nowhere, one of them measured the length/height of the deck of cards. The UNO card deck is 6 inches alone. However, as the Solitaire and other cards' length mean are combined, the deck's mean was said to be 8 inches. This is called

  Data
• Renzo Pretty is a 1st year college student curious about research. In his free time, he would make a portion of his classmates answer a survey question about his curious interests, then he would calculate its central tendencies. What do his calculations represent?

  Statistic
• Marlon measured the mean of BS PSYCH I-C1 ages, this is called

  Parameter
• Heart acquired the raw data of her survey-questionnaire, she needs to use Descriptive Statistics to summarize organize and simplify her data.
• Alysa believes that the 'Venus Retrograde' is the cause of break ups, she then asked couples who did break up if this was true. 75% being her average, she got 76% of the respondents saying that the venus retrograde did have an effect on their relationship. This scrambles up Alysa on whether she reject the null or alternative hypothesis. In this case she needs to use Inferential Statistics