Please keep the solving brief and simple

8. Identify and describe the bias in each situation. ( 2 marks each 8 marks total) a}A citywide survey about parks and walking trails was sent to randomly selected households. The response rate was signicantly higher for residents who had lived in the city for more than two years than residents who had lived in the city for less than two years. b) Warren did a project on ocean travel and recorded the units of the distance travelled by boats using an abbreviated form "nm" instead of using \"nautical miles." A student who read the report later mistook "nm" for \"nanometres.\" c}A pollster in front of a bank randomly selects people walking past to interview about saving money. d}A survey question asks, \"Don't you agree that students would greatly benet if tuition fees were lowered?\" 9. This graph was included in a newspaper article about home heating options. Percent of Households in Canada Using Natural Gas (3 marks) 51.4 . Almost no increase in number of households Adapted From: Statistics Canada, CANSIM Table using natural gas from 2001 to 2006. 51.0 . 203-0019 Database: E-STAT 50.6 a) Describe any errors made by the headline 50.2 writer. Households That Use Natural Gas (%) 49.8 49.4 49.0 0.0- 2000 2001 2002 2003 2004 2005 2006 2007 Year b) What would be a better headline for the article? 8. A 2007 article on identify theft included the statement: "Electronic payments boosted the Canadian economy by 25 per cent over the past two decades, representing $107 billion of the economy's $437-billion growth from 1983 to 2003, according to a study sponsored by Visa Canada in 2004." Identify three items of concern that would be part of a critical analysis