All discrete quantitative variables can be thought of as counting the number of something. True False

The time to complete a race is a latent or hidden variable for the ordinal variable for 1st, 2nd, and 3rd place. True False

22 percent of students are male. 33 percent of students take a Statistics course. 48 percent of male students take statistics. Give your answers as a decimal to 4 decimal places.(a) What percent of students are male that take a statistics course?  (b) What percent of students are females that take a statistics course?

ences in your response. Investigation 2: Songs from Spotify - Mode and Popularity A random sample of 3439 songs was selected from the Spotify database and twelve variables were measured for each song. Remember, the Mode variable indicates the type of scale the song's melodic content is derived from (Major or Minor). Popularity is on a scale of 0 to 100 and songs with higher numbers are more popular. Let us now investigate whether Major songs are significantly more "Popular" than Minor songs. Let us define "Popular" as songs that earned a popularity rating of 50 or higher. From the random sample of songs, there were 1964 Major songs and of those 853 were rated "Popular." In addition, there were 1475 Minor songs and of those 587 were rated "Popular." In this invesligation we will subtract (Major - Minor). a) Define the population parameter using context and symbols in one complete sentence. b) State the hypotheses using the claim. c) Check the specific conditions necessary to consider…

Using excel, guess the temperature of the earth in 2050 from the data below Year temperature (°C) 1880 -0.161881…

One hundred teachers attended a seminar on mathematical problem solving. The attitudes of representative sample of 12 of the teachers were measured before and after the seminar. A positive number for change in attitude indicates that a teacher's attitude toward math became more positive. The twelve change scores are as follows. 4; 7; −1; 1; 0; 5; −2; 2; −1; 6; 5; −3 Part (a) What is the mean change score? (Round your answer to two decimal places.)

The production of hybrid cars increased from $3.94 million in 2003 to $6.93 million in 2013. Calculate the average annual percent growth in the production of hybrid cars (use the geometric mean concept). Express your answer as a percentage rounded to two (2) decimal places.

If Study determines the difference an average salaries are so population of people with blue eyes and people with brown eyes is not significant than a population of blue are people in brown and people are ______ different salaries.

Find the Arithmetic Mean. -35, (), 25, ..

In one sentence explain what should you do when α> p-value?