Bounce rate for websites of different content

As you can see in the picture, the average bounce rate for different types of sites is:

• Content websites 40-60% (different types of sites containing any information, news, description itd)
• Lead generation 30-50% (range of Internet marketing)
• Blogs 70-98% (personal blogs, diaries.)
• Retail sites 20-40% (webmagazine, sites of service.)
• Service sites 10-30% (service site)
• Landing pages 70-90% (single-page sites, the call to action the purchase of goods or services)