Which of these data are categorical and which are numerical?a. A cell phone’s brand

1.3 Which of these data are categorical and which are numerical?a. A cell phone’s brand.b. A cell phone’s estimated battery life.c. A cell phone’s screen size.d. A cell phone’s carrier.1.4Identify the following data as cross-section, time series, or panel data:a. Unemployment rates in Germany, Japan, and the United States in 2015.b. Inflation rates in Germany, Japan, and the United States in 2009.c. Unemployment rates in Germany in 2012, 2013, 2014, and 2015.d. Unemployment rates in Germany and the United States in 2012, 2013, 2014,and 2015.1.6 The Framingham Heart Study began in 1948 with 5209 adult subjects, who havereturned every 2 years for physical examinations and laboratory tests. The studynow includes the children and grandchildren of the original participants. Identifythe following data as cross-section, time series, or panel data:a. The number of people who died each year from heart disease.b. The number of men who smoked cigarettes in 1948, 1958, 1968, and 1978.c. The ages of the women in 1948.d. Changes in HDL cholesterol levels between 1948 and 1958 for each of thefemales.1.7 (continuation) Identify the following data as cross-section, time series, or paneldata:a. Blood pressure of one woman every 2 years.b. The average HDL cholesterol level of the men in 1948, 1958, and 1968.c. The number of children each woman had in 1958.d. The age at death of the 5209 subjects.