- Number of snack and soft drink vending machines in the school...what is the level of measurement of the variable?
- What type of variable do quantitative observations correspond to?
- Household income in the previous year...discrete or continuous?
- Number of children...discrete or continuous?
- Class rank (freshman, sophomore, junior, senior)...what is the level of measurement of the variable?
- What type of variable do qualitative observations correspond to?
- What type of variables do discrete data observations correspond to?
- Number of days per week a student eats school lunch...what is the level of measurement of the variable?
- While gender is a ____, the observations, male or female, are ____
- Daily intake of whole grains (measured in grams per day)
- Whether or not the school has a closed campus policy during lunch...what is the level of measurement of the variable?
- What type of variables do continuous data observations correspond to?
- Suppose the percentage of all students on your campus who have a job is 84.9%...does this value represent a parameter or a statistic?
- What is the "information" referred to in the definition of statistics?
- Nationality...quantitative or qualitative?
- Suppose a sample fo 250 students is obtained, and from this sample we find that 86.4% have a job...does this value represent a parameter or a statistic?
- Household income in the previous year...quantitative or qualitative?
- Number of children...quantitative or qualitative?
- Level of education...quantitative or qualitative?
- is the error bars overlap, the means is not significant